This file is indexed.

/usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12 is in libapt-pkg4.12 0.8.16~exp12ubuntu10.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12.0