/usr/share/doc/liblog4cpp5-dev/THANKS is in liblog4cpp5-dev 1.0-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/liblog4cpp5-dev/../liblog4cpp5/THANKS
/usr/share/doc/liblog4cpp5-dev/../liblog4cpp5/THANKS