/usr/lib/libQtBamf.so.1 is in libqtbamf1 0.2.3-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libQtBamf.so.1.0.0
/usr/lib/libQtBamf.so.1.0.0