This file is indexed.

/usr/lib/x86_64-linux-gnu/libQt5Concurrent.so.5.2 is in libqt5concurrent5 5.2.1+dfsg-1ubuntu14.3.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libQt5Concurrent.so.5.2.1