diff --git a/config/config.sample.php b/config/config.sample.php
index 9840fcfc97caa..ba0ea6d410136 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -1296,7 +1296,13 @@
 
 /**
  * Set the URL of the Imaginary service to send image previews to.
- * Also requires the ``OC\Preview\Imaginary`` provider to be enabled.
+ * Also requires the
+ *  - ``OC\Preview\Imaginary``
+ * provider to be enabled in the 'enabledPreviewProviders' array, to create previews for these mimetypes:
+ * bmp, x-bitmap, png, jpeg, gif, heic, heif, svg+xml, tiff, webp and illustrator.
+ * If you want Imaginary to also create preview images from PDF Documents, you have to add
+ *  - ``OC\Preview\ImaginaryPDF``
+ * provider as well.
  *
  * See https://github.com/h2non/imaginary
  */
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index e359a089fe136..dc0c8f0e6c6ec 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -1689,6 +1689,7 @@
     'OC\\Preview\\Illustrator' => $baseDir . '/lib/private/Preview/Illustrator.php',
     'OC\\Preview\\Image' => $baseDir . '/lib/private/Preview/Image.php',
     'OC\\Preview\\Imaginary' => $baseDir . '/lib/private/Preview/Imaginary.php',
+    'OC\\Preview\\ImaginaryPDF' => $baseDir . '/lib/private/Preview/ImaginaryPDF.php',
     'OC\\Preview\\JPEG' => $baseDir . '/lib/private/Preview/JPEG.php',
     'OC\\Preview\\Krita' => $baseDir . '/lib/private/Preview/Krita.php',
     'OC\\Preview\\MP3' => $baseDir . '/lib/private/Preview/MP3.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index de92b293fcb4b..635854db4c6e4 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -1722,6 +1722,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OC\\Preview\\Illustrator' => __DIR__ . '/../../..' . '/lib/private/Preview/Illustrator.php',
         'OC\\Preview\\Image' => __DIR__ . '/../../..' . '/lib/private/Preview/Image.php',
         'OC\\Preview\\Imaginary' => __DIR__ . '/../../..' . '/lib/private/Preview/Imaginary.php',
+        'OC\\Preview\\ImaginaryPDF' => __DIR__ . '/../../..' . '/lib/private/Preview/ImaginaryPDF.php',
         'OC\\Preview\\JPEG' => __DIR__ . '/../../..' . '/lib/private/Preview/JPEG.php',
         'OC\\Preview\\Krita' => __DIR__ . '/../../..' . '/lib/private/Preview/Krita.php',
         'OC\\Preview\\MP3' => __DIR__ . '/../../..' . '/lib/private/Preview/MP3.php',
diff --git a/lib/private/Preview/Imaginary.php b/lib/private/Preview/Imaginary.php
index 23459be3b5199..baa883f4bd9f6 100644
--- a/lib/private/Preview/Imaginary.php
+++ b/lib/private/Preview/Imaginary.php
@@ -40,7 +40,7 @@ public function getMimeType(): string {
 	}
 
 	public static function supportedMimeTypes(): string {
-		return '/(image\/(bmp|x-bitmap|png|jpeg|gif|heic|heif|svg\+xml|tiff|webp)|application\/(pdf|illustrator))/';
+		return '/(image\/(bmp|x-bitmap|png|jpeg|gif|heic|heif|svg\+xml|tiff|webp)|application\/illustrator)/';
 	}
 
 	public function getCroppedThumbnail(File $file, int $maxX, int $maxY, bool $crop): ?IImage {
diff --git a/lib/private/Preview/ImaginaryPDF.php b/lib/private/Preview/ImaginaryPDF.php
new file mode 100644
index 0000000000000..d26c6d1b7ff84
--- /dev/null
+++ b/lib/private/Preview/ImaginaryPDF.php
@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OC\Preview;
+
+class ImaginaryPDF extends Imaginary {
+	public static function supportedMimeTypes(): string {
+		return '/application\/pdf/';
+	}
+}
diff --git a/lib/private/PreviewManager.php b/lib/private/PreviewManager.php
index 4daf5b2dc1efd..f19ff25abb786 100644
--- a/lib/private/PreviewManager.php
+++ b/lib/private/PreviewManager.php
@@ -346,6 +346,7 @@ protected function registerCoreProviders() {
 		$this->registerCoreProvider(Preview\MP3::class, '/audio\/mpeg/');
 		$this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
 		$this->registerCoreProvider(Preview\Imaginary::class, Preview\Imaginary::supportedMimeTypes());
+		$this->registerCoreProvider(Preview\ImaginaryPDF::class, Preview\ImaginaryPDF::supportedMimeTypes());
 
 		// SVG and Bitmap require imagick
 		if ($this->imagickSupport->hasExtension()) {