/var/lib/ghostscript/CMap/Add-RKSJ-H is in cmap-adobe-japan1 0+20090930-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/fonts/cmap/adobe-japan1/Add-RKSJ-H
/usr/share/fonts/cmap/adobe-japan1/Add-RKSJ-H