/usr/lib/libmozjs185.so.1.0 is in libmozjs185-1.0 1.8.5-1.0.0+dfsg-4ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libmozjs185.so.1.0.0
/usr/lib/libmozjs185.so.1.0.0