/usr/lib/x86_64-linux-gnu/libperl.so is in libperl-dev 5.26.1-6ubuntu0.3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libperl.so.5.26
/usr/lib/x86_64-linux-gnu/libperl.so.5.26