/usr/share/man/man1/amk_grf-int64.1.gz is in scotch 6.0.4.dfsg1-8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/amk_grf.1.gz
/usr/share/man/man1/amk_grf.1.gz