/usr/share/omf/ is in gnome-subtitles 1.2-4ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/omf/gnome-subtitles/
/usr/share/omf/gnome-subtitles/gnome-subtitles-C.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-ca.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-cs.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-da.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-de.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-el.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-es.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-fr.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-oc.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-ro.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-sl.omf
/usr/share/omf/gnome-subtitles/gnome-subtitles-sv.omf