c103d268-fb40-4357-bd27-c5ff4e251e7f, from rclone md5sum sharefile_test:Test/test_file.zip
that is simply rclone asking sharefile for the md5, that is already stored in sharefile, as metadata.
and as far as i know that is not a valid md5 hash.
7a1ea3ed267ee8b1a6fd06a565cd9755 using --download, that is rclone downloading the file and calculating the hash itself and that hash matches the hash from remote/test/test_file.zip
at this point,
contact citrix
there is a way to get a more detailed rclone debug log
find a way to get the metadata direct from sharefile, as i do not have access to sharefile , cannot tell you exactly what do.