/usr/share/pam/common-session-noninteractive.md5sums is in libpam-runtime 1.1.8-3.6ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
ad2b78ce1498dd637ef36469430b6ac6 # 1.0.1-11 -