/etc/fonts/conf.d/25-arphic-uming-render.conf is in fonts-arphic-uming 0.2.20080216.2-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /etc/fonts/conf.d/../conf.avail/25-arphic-uming-render.conf
/etc/fonts/conf.d/../conf.avail/25-arphic-uming-render.conf