.INFO Domain names are mostly used by scammers, and it's certain that they do something new every time, As we all know that there was a demand for payment in such giveaways, But right now these scammers want to steal the private key.
I guess they have saturated most of the well known domain names or domain name extensions that's why they move to .INFO or .XYZ.
And of course, you should not enter your private key on any such website, because of this your tokens and coins can be stolen.
However, I hope newbies will not fall into such a trap. Good catch mate.
In a perfect world, no crypto enthusiasts should fall for this trick, but there are a lot of naive newbies that doesn't check before entering their 24 seeds or private key.
Here is a possible fake OmiseGO twitter Airdrop handle:
https://twitter.com/OmiseGO_Airdrop