I suspect this may be another scam.
If she is hosting in Stamford, CT why is she posting on Queens Backpage

Yes, it's a scam.

I'm not sure why this topic keeps being mentioned.  Mariana has said on her site that she has no plans to come to America.  Whoeover is posting ads regarding her appearances in the States is a fraud.    That person who is on backpage is not the porn star Mariana Cordoba.  Maybe she is hot but she is not who she claims to be