This file is indexed.

/usr/lib/x86_64-linux-gnu/libmrpt-base.so.1.2 is in libmrpt-base1.2 1:1.2.2-1.1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libmrpt-base.so.1.2.2