This file is indexed.

/usr/lib/x86_64-linux-gnu/libQtAssistantClient.so.4.8 is in libqtassistantclient4 4.6.3-7+b1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libQtAssistantClient.so.4.8.7