/usr/share/icons/oxy-blue/cursors/6407b0e94181790501fd1e167b474872 is in oxygen-cursor-theme 0.0.2012-06-kde4.8-2.1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/icons/oxy-blue/cursors/copy