/usr/share/menu/gurlchecker is in gurlchecker 0.13.1-2.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4  | ?package(gurlchecker):needs="X11" section="Applications/Web Development"\
  longtitle="Graphical websites checker"\
  icon="gurlchecker.xpm"\
  title="gURLChecker" command="/usr/bin/gurlchecker"
 |