This file is indexed.

/usr/lib/x86_64-linux-gnu/libKF5AkonadiSocialUtils.so is in libkf5akonadisocialutils-dev 4:16.04.2-2.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libKF5AkonadiSocialUtils.so.5