/usr/share/icons/DMZ-Black/cursors/c7088f0f3e6c8088236ef8e1e3e70000 is in dmz-cursor-theme 0.4.4ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/icons/DMZ-Black/cursors/bd_double_arrow