/usr/share/man/man3/pam_vinfo.3.gz is in libpam0g-dev 1.1.8-3.2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/pam_info.3.gz
/usr/share/man/man3/pam_info.3.gz