/usr/share/man/man1/csdp-randgraph.1.gz is in coinor-csdp 6.1.1-1build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/csdp.1.gz
/usr/share/man/man1/csdp.1.gz