/usr/share/menu/pcmanfm is in pcmanfm 0.9.10-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(pcmanfm):needs="X11" section="Applications/File Management"\
title="PCManFM" longtitle="Real Tabbed File Manager" hints="File manager" command="/usr/bin/pcmanfm"
|