/usr/share/app-install/desktop/viewpdf.app:ViewPDF.desktop is in app-install-data 15.10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | [Desktop Entry]
X-AppInstall-Package=viewpdf.app
X-AppInstall-Popcon=32
X-AppInstall-Section=universe
Type=Application
Categories=Office;Viewer;
Name=ViewPDF
Comment=PDF Reader for GNUstep
Exec=ViewPDF
MimeType=application/pdf;
X-Ubuntu-Gettext-Domain=app-install-data
|