/usr/share/kde4/apps/kdisplay/ is in kde-workspace-data 4:4.8.2a-0ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/apps/kdisplay/app-defaults/
/usr/share/kde4/apps/kdisplay/app-defaults/AAAAAAGeneral.ad
/usr/share/kde4/apps/kdisplay/app-defaults/AAAMotif.ad
/usr/share/kde4/apps/kdisplay/app-defaults/AAATk.ad
/usr/share/kde4/apps/kdisplay/app-defaults/AAAXaw.ad
/usr/share/kde4/apps/kdisplay/app-defaults/AcroRead.ad
/usr/share/kde4/apps/kdisplay/app-defaults/Editres.ad
/usr/share/kde4/apps/kdisplay/app-defaults/Emacs.ad
/usr/share/kde4/apps/kdisplay/app-defaults/GV.ad
/usr/share/kde4/apps/kdisplay/app-defaults/ML.ad
/usr/share/kde4/apps/kdisplay/app-defaults/Nedit.ad
/usr/share/kde4/apps/kdisplay/app-defaults/Netscape.ad
/usr/share/kde4/apps/kdisplay/app-defaults/RVPlayer.ad
/usr/share/kde4/apps/kdisplay/app-defaults/WPerfect.ad
/usr/share/kde4/apps/kdisplay/app-defaults/XCalc.ad
/usr/share/kde4/apps/kdisplay/app-defaults/XOsview.ad
/usr/share/kde4/apps/kdisplay/app-defaults/XTerm.ad
/usr/share/kde4/apps/kdisplay/app-defaults/XV.ad
/usr/share/kde4/apps/kdisplay/app-defaults/Xawtv.ad
/usr/share/kde4/apps/kdisplay/app-defaults/Xdvi.ad
/usr/share/kde4/apps/kdisplay/app-defaults/Xpdf.ad