Fingerprinting is effectively a detector that knows exactly what certain documents should be made of. It is currently focused mainly on the fonts of common bank statements, and is only available for True PDF documents. You can think of it like a member of your fraud team who has seen it all and knows exactly how Utility X capitalizes their addresses, and what the dollar symbol for Bank Y looks like.

In the web app the fingerprinting signal looks like this:

The feature currently covers statements from the top US banks—Bank of America, Chase Bank, and Wells Fargo—and will be expanded on an ongoing basis.