I googled them and of course they are at badbitcoin.org list.
No ssl is bad sign, too.
Yes but you did not mention what badbitcoin.org is reporting.
From badbitcoin.org
"Bitcoin-paypal.gr PayPal & Bitcoin is a bad mix. No https - Our advice is don't risk it. 16/03/2015"
Conclusion
The website is not a scam until you prove otherwise.
Messy poor site without ssl. What makes you think we will risk our money on that site?