This file is indexed.

/usr/lib/libmonoboehm-2.0.so is in libmonoboehm-2.0-dev 4.2.1.102+dfsg2-7ubuntu4.

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

It is a symlink to /usr/lib/libmonoboehm-2.0.so.1.0.0