/usr/share/kde4/services/ is in ark 4:4.8.2-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/services/ServiceMenus/
/usr/share/kde4/services/ServiceMenus/ark_addtoservicemenu.desktop
/usr/share/kde4/services/ServiceMenus/ark_servicemenu.desktop
/usr/share/kde4/services/ark_dndextract.desktop
/usr/share/kde4/services/ark_part.desktop
/usr/share/kde4/services/kerfuffle_cli7z.desktop
/usr/share/kde4/services/kerfuffle_clilha.desktop
/usr/share/kde4/services/kerfuffle_clirar.desktop
/usr/share/kde4/services/kerfuffle_clizip.desktop
/usr/share/kde4/services/kerfuffle_libarchive.desktop
/usr/share/kde4/services/kerfuffle_libarchive_readonly.desktop
/usr/share/kde4/services/kerfuffle_libbz2.desktop
/usr/share/kde4/services/kerfuffle_libgz.desktop
/usr/share/kde4/services/kerfuffle_libxz.desktop