/usr/lib/apache2/modules/mod_wsgi.so is in libapache2-mod-wsgi 3.4-4ubuntu2.1.14.04.2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/apache2/modules/mod_wsgi.so-2.7
/usr/lib/apache2/modules/mod_wsgi.so-2.7