The documents are often sold for small amounts of money, but the price barrier, the need to pay with Bitcoin, and the fact that they're only available on the deep web prevents the guides from being circulated widely.
The document, titled Adhrann's Updated Dating Scam 2014, lays out a method for creating fake dating site profiles, ensnaring men in conversation, and then pressuring them to send money.
It's not just guns and drugs that are up for sale on deep web sites.
Vendors also list guides on how to commit other illegal activities.
That's a sure sign that the account is fake, as the photo must have been circulating on the internet.