/usr/share/kde4/apps/kconf_update/kwin_window_shortcuts.upd is in kde-window-manager-common 4:4.8.5-0ubuntu0.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | Id=kde414
File=kglobalshortcutsrc
Group=kwin
Options=overwrite
Script=kwin_window_shortcuts.sh,sh
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