/usr/share/kde4/services/ is in calligra-data 1:2.8.1-1-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/services/calligra_device_spacenavigator.desktop
/usr/share/kde4/services/calligra_docker_defaults.desktop
/usr/share/kde4/services/calligra_semanticitem_contact.desktop
/usr/share/kde4/services/calligra_semanticitem_event.desktop
/usr/share/kde4/services/calligra_semanticitem_location.desktop
/usr/share/kde4/services/calligra_shape_artistictext.desktop
/usr/share/kde4/services/calligra_shape_chart.desktop
/usr/share/kde4/services/calligra_shape_formular.desktop
/usr/share/kde4/services/calligra_shape_music.desktop
/usr/share/kde4/services/calligra_shape_paths.desktop
/usr/share/kde4/services/calligra_shape_picture.desktop
/usr/share/kde4/services/calligra_shape_plugin.desktop
/usr/share/kde4/services/calligra_shape_text.desktop
/usr/share/kde4/services/calligra_shape_vector.desktop
/usr/share/kde4/services/calligra_shape_video.desktop
/usr/share/kde4/services/calligra_textediting_autocorrect.desktop
/usr/share/kde4/services/calligra_textediting_changecase.desktop
/usr/share/kde4/services/calligra_textediting_spellcheck.desktop
/usr/share/kde4/services/calligra_textediting_thesaurus.desktop
/usr/share/kde4/services/calligra_textinlineobject_variables.desktop
/usr/share/kde4/services/calligra_tool_basicflakes.desktop
/usr/share/kde4/services/calligra_tool_defaults.desktop
/usr/share/kde4/services/kexidb_sqlite3driver.desktop
/usr/share/kde4/services/kformulapart.desktop
/usr/share/kde4/services/kolcmsengine.desktop
/usr/share/kde4/services/kopabackgroundtool.desktop
/usr/share/kde4/services/koreport_barcodeplugin.desktop
/usr/share/kde4/services/kritaclonesarray.desktop