/usr/lib/x86_64-linux-gnu/libperl.so is in libperl-dev 5.22.1-9ubuntu0.6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libperl.so.5.22
/usr/lib/x86_64-linux-gnu/libperl.so.5.22