This file is indexed.

/usr/lib/x86_64-linux-gnu/libssh_threads.so is in libssh-gcrypt-dev 0.8.0~20170825.94fa1e38-1build1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libssh-gcrypt_threads.so.4