/usr/share/icons/DMZ-Black/cursors/6407b0e94181790501fd1e167b474872 is in dmz-cursor-theme 0.4.5ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/icons/DMZ-Black/cursors/copy
/usr/share/icons/DMZ-Black/cursors/copy