diff --git a/lib/Listeners/NodeCopiedListener.php b/lib/Listeners/NodeCopiedListener.php
index a66505caeb7..ce9d1f01344 100644
--- a/lib/Listeners/NodeCopiedListener.php
+++ b/lib/Listeners/NodeCopiedListener.php
@@ -36,9 +36,10 @@ public function handle(Event $event): void {
 			&& $target instanceof File
 			&& $target->getMimeType() === 'text/markdown'
 		) {
-			$this->attachmentService->copyAttachments($source, $target);
+			$fileIdMapping = $this->attachmentService->copyAttachments($source, $target);
 			$target->unlock(ILockingProvider::LOCK_SHARED);
 			AttachmentService::replaceAttachmentFolderId($source, $target);
+			AttachmentService::replaceAttachmentFileIds($target, $fileIdMapping);
 			$target->lock(ILockingProvider::LOCK_SHARED);
 		}
 	}
diff --git a/lib/Service/AttachmentService.php b/lib/Service/AttachmentService.php
old mode 100644
new mode 100755
index 7f534b96efd..f1dcea56e69
--- a/lib/Service/AttachmentService.php
+++ b/lib/Service/AttachmentService.php
@@ -641,27 +641,34 @@ public function deleteAttachments(File $source): void {
 	 * @param File $source
 	 * @param File $target
 	 *
+	 * @return array file id translation map
 	 * @throws InvalidPathException
 	 * @throws NoUserException
 	 * @throws NotFoundException
 	 * @throws NotPermittedException
 	 * @throws LockedException
 	 */
-	public function copyAttachments(File $source, File $target): void {
+	public function copyAttachments(File $source, File $target): array {
 		try {
 			$sourceAttachmentDir = $this->getAttachmentDirectoryForFile($source);
 		} catch (NotFoundException $e) {
 			// silently return if no attachment dir was found for source file
-			return;
+			return [];
 		}
 		// create a new attachment dir next to the new file
 		$targetAttachmentDir = $this->getAttachmentDirectoryForFile($target, true);
 		// copy the attachment files
+		$fileIdMapping = [];
 		foreach ($sourceAttachmentDir->getDirectoryListing() as $sourceAttachment) {
 			if ($sourceAttachment instanceof File) {
-				$targetAttachmentDir->newFile($sourceAttachment->getName(), $sourceAttachment->getContent());
+				$newFile = $targetAttachmentDir->newFile($sourceAttachment->getName(), $sourceAttachment->getContent());
+				$fileIdMapping[] = [
+					$sourceAttachment->getId(),
+					$newFile->getId()
+				];
 			}
 		}
+		return $fileIdMapping;
 	}
 
 	public static function replaceAttachmentFolderId(File $source, File $target): void {
@@ -683,4 +690,18 @@ public static function replaceAttachmentFolderId(File $source, File $target): vo
 			$target->putContent($content);
 		}
 	}
+
+	public static function replaceAttachmentFileIds(File $target, array $fileIdMapping): void {
+		$patterns = [];
+		$replacements = [];
+		foreach ($fileIdMapping as $mapping) {
+			$patterns[] = '/(\[(?:\\\]|[^]])+\]\(\s*\S+\/f\/)' . $mapping[0] . '(\s*)(\(preview\)\s*)?\)/';
+			// Replace `[title](URL/f/sourceId (preview))` with `[title](URL/f/targetId (preview))`
+			$replacements[] = '${1}' . $mapping[1] . '${2}${3})';
+		}
+		$content = preg_replace($patterns, $replacements, $target->getContent());
+		if ($content !== null) {
+			$target->putContent($content);
+		}
+	}
 }
diff --git a/tests/unit/Service/AttachmentServiceTest.php b/tests/unit/Service/AttachmentServiceTest.php
old mode 100644
new mode 100755
index 7283072a8d6..2bef429e340
--- a/tests/unit/Service/AttachmentServiceTest.php
+++ b/tests/unit/Service/AttachmentServiceTest.php
@@ -160,4 +160,84 @@ public function testReplaceAttachmentFolderIdNoReplace(string $sourceContent): v
 		AttachmentService::replaceAttachmentFolderId($source, $target);
 		$this->assertEquals($sourceContent, $replacedContent);
 	}
+
+	// Replacement expected
+	public static function contentReplaceAttachmentFileIdProvider(): array {
+		return [
+			['[image.png](https://localhost:8000/f/1)', '[image.png](https://localhost:8000/f/2)'],
+			['[image.png](https://localhost:8000/f/1(preview))', '[image.png](https://localhost:8000/f/2(preview))'],
+			['[image.png](https://localhost:8000/f/1 (preview))', '[image.png](https://localhost:8000/f/2 (preview))'],
+			// Link in title
+			['[https://localhost:8000/f/1](https://localhost:8000/f/1)', '[https://localhost:8000/f/1](https://localhost:8000/f/2)'],
+			['[https://localhost:8000/f/1](https://localhost:8000/f/1 (preview))', '[https://localhost:8000/f/1](https://localhost:8000/f/2 (preview))'],
+			// Spaces surrounding link URL
+			['[image.png](  https://localhost:8000/f/1  )', '[image.png](  https://localhost:8000/f/2  )'],
+			['[image.png](  https://localhost:8000/f/1   (preview))', '[image.png](  https://localhost:8000/f/2   (preview))'],
+			['[image.png](  https://localhost:8000/f/1   (preview)  )', '[image.png](  https://localhost:8000/f/2   (preview)  )'],
+			// Escaped square brackets in title
+			['[title \[#1\]](https://localhost:8000/f/1)', '[title \[#1\]](https://localhost:8000/f/2)'],
+			['[title \[#1\]](https://localhost:8000/f/1 (preview))', '[title \[#1\]](https://localhost:8000/f/2 (preview))'],
+			// Spaces in title
+			['[title with space](https://localhost:8000/f/1)', '[title with space](https://localhost:8000/f/2)'],
+			['[title with space](https://localhost:8000/f/1 (preview))', '[title with space](https://localhost:8000/f/2 (preview))'],
+			// Several links in a row
+			['Some text\n\n[image.png](https://localhost:8000/f/1 (preview))\n\nMore text. [file.tar.gz](https://localhost:8000/f/3) ...', 'Some text\n\n[image.png](https://localhost:8000/f/2 (preview))\n\nMore text. [file.tar.gz](https://localhost:8000/f/4) ...'],
+		];
+	}
+
+	/**
+	 * @dataProvider contentReplaceAttachmentFileIdProvider
+	 */
+	public function testReplaceAttachmentFileId(string $sourceContent, string $targetContent): void {
+		$target = $this->createMock(File::class);
+		$target->method('getId')->willReturn(2);
+		$target->method('getContent')->willReturn($sourceContent);
+		$replacedContent = '';
+		$target->method('putContent')->willReturnCallback(function (string $content) use (&$replacedContent) {
+			$replacedContent = $content;
+		});
+
+		$fileIdMapping = [
+			[1, 2],
+			[3, 4],
+		];
+		AttachmentService::replaceAttachmentFileIds($target, $fileIdMapping);
+		$this->assertEquals($targetContent, $replacedContent);
+	}
+
+	// No replacement expected
+	public static function contentReplaceAttachmentFileIdNoReplaceProvider(): array {
+		return [
+			// Empty title
+			[ '[](https://localhost:8000/f/1)' ],
+			// Different url
+			[ '[title](https://localhost:8000/f/1/a/asdf.png)' ],
+			// Wrong fileId #1
+			[ '[image.png](https://localhost:8000/f/112)' ],
+			// Wrong fileId #2
+			[ '[image.png](https://localhost:8000/f/12)' ],
+			// Normal brackets around title
+			[ '(image.png)(https://localhost:8000/f/1)' ],
+			// Square brackets in title
+			['[title [#1]](https://localhost:8000/f/1)' ],
+			// Space between brackets
+			['[title] (https://localhost:8000/f/1)' ],
+		];
+	}
+
+	/**
+	 * @dataProvider contentReplaceAttachmentFileIdNoReplaceProvider
+	 */
+	public function testReplaceAttachmentFileIdNoReplace(string $sourceContent): void {
+		$target = $this->createMock(File::class);
+		$target->method('getId')->willReturn(2);
+		$target->method('getContent')->willReturn($sourceContent);
+		$replacedContent = '';
+		$target->method('putContent')->willReturnCallback(function (string $content) use (&$replacedContent) {
+			$replacedContent = $content;
+		});
+
+		AttachmentService::replaceAttachmentFileIds($target, [[1, 2]]);
+		$this->assertEquals($sourceContent, $replacedContent);
+	}
 }