/usr/share/applications/ is in okular 4:4.14.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/applications/kde4/
/usr/share/applications/kde4/okularApplication_plucker.desktop
/usr/share/applications/kde4/okularApplication_pdf.desktop
/usr/share/applications/kde4/okularApplication_kimgio.desktop
/usr/share/applications/kde4/okularApplication_fax.desktop
/usr/share/applications/kde4/okularApplication_xps.desktop
/usr/share/applications/kde4/okularApplication_ooo.desktop
/usr/share/applications/kde4/okularApplication_txt.desktop
/usr/share/applications/kde4/okularApplication_fb.desktop
/usr/share/applications/kde4/okularApplication_dvi.desktop
/usr/share/applications/kde4/okularApplication_comicbook.desktop
/usr/share/applications/kde4/okular.desktop
/usr/share/applications/kde4/okularApplication_mobi.desktop
/usr/share/applications/kde4/okularApplication_ghostview.desktop