Fake beta inv email?

hello, i had just gotten hacked and i was trying to figure out what the source may of been, and first i wana thank blizzard for getting me my items back so swiftly :). but anyway 2 days ago i received this email:

World of warcraft: Cataclysm Beta Test Invitation!

Get those opt-ins ready for the World of Warcraft: Cataclysm closed beta! The sundering of Azeroth is nigh, and you don't want to be left out in the cold of Northrend when you could be enjoying the sundrenched beaches on the goblin isle of Kezan. To ensure you're opted-in and eligible as a potential candidate, you'll need a World of Warcraft license attached to your Battle.net account, have your current system specifications uploaded to the Battle.net Beta Profile Settings page, and have expressed interest through the franchise-specific check boxes.

Get the Installer - Log in to your Battle.net account:
https://us.battle.net/account/email/confirm.xml?ticket=3F1AAEA97FA5301919D7812C07A30A6BE77728AF99B8C003AE140C23DE1BF2E4

** IMPORTANT ** To avoid graphical bugs and other technical issues,please ensure your video card drivers are up-to-date.

Enjoy the game!

2010 Blizzard Entertainment,Inc.



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having just started playing wow after an extended period of time i didnt think anything of it so i clicked the link and it looked legit and appeared to be the battlenet site. another weird thing that i recall getting a message in game that didnt look like the normal whisper color reminding me about the beta so thats why i went back to the email. the email address it was from is "Blizzard Entertainment (WoWAccountadmini@blizzard.com)" and being that it was @blizzard.com i figured it was legit. So i downloaded the installer thing that gets the specs off of your computer and sent but it wouldnt go through so i thought nothing of it and logged for the night, only to wake up to find that i was taken to the cleaners, everything was gone including the greys off of my lvl 8 alt. luckily i called blizzard and they opened a ticket and everythings back now. :) the only issue i had was having to sit on hold for about an hour. but i just wanted to make sure that this was where the problem originated, i have sense got the authenticator, run all my system scans and did a system restore so hopefully this wont ever happen again, ill def be alot more careful from this.