/usr/share/man/man1/bib2ris-utf8.1.gz is in refdb-clients 1.0.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/bib2ris.1.gz
/usr/share/man/man1/bib2ris.1.gz