qt6-image-formats-plugin-pdf 6.6.2+dfsg-4 (amd64 binary) in ubuntu oracular

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 The Qt PDF module contains classes and functions for rendering PDF documents.
 .
 This package provides an image plugin that allows image-viewing applications
 to view PDF files (the first page of PDF will be shown).