/usr/share/kde4/services/ is in libkfilemetadata4 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/services/kfilemetadata_epubextractor.desktop
/usr/share/kde4/services/kfilemetadata_exiv2extractor.desktop
/usr/share/kde4/services/kfilemetadata_ffmpegextractor.desktop
/usr/share/kde4/services/kfilemetadata_mobiextractor.desktop
/usr/share/kde4/services/kfilemetadata_odfextractor.desktop
/usr/share/kde4/services/kfilemetadata_office2007extractor.desktop
/usr/share/kde4/services/kfilemetadata_officeextractor.desktop
/usr/share/kde4/services/kfilemetadata_plaintextextractor.desktop
/usr/share/kde4/services/kfilemetadata_popplerextractor.desktop
/usr/share/kde4/services/kfilemetadata_taglibextractor.desktop