Yes we are pretty certain that it is an actual SpamBot. There were a bunch of topics it created earlier, that @DRow had already deleted, where it would try to sell us bogus e-books and magazines with VEX sounding descriptions for around $16. Here is an example:
We have interrogated it in this thread and 84% of the observers concluded that it is a hybrid system where spambot is augmented by the human operator to answer the most tricky questions.
Here are the test results (thanks @Sylvie for setting up the poll):
As @Barin said, it is up to the moderators to decide to either ban it all together or keep it around for entertainment and educational purposes.
However, unless the operators of the spambot farm decide that vexforum is a waste of their resources, they will just keep coming back under different account names.