Most certainly not. If it seems too good to be true...
Please read this FAQ entry:
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http://www.adobeforums.com/cgi-bin/webx/.3bbb0528>
And in the future, kindly refrain from posting links to obviously illegal sites. If you need to ask if they're legit, you can be pretty sure that they're not.
As far as I know, the only legal place to download is Adobe software is directly from Adobe. All other retails will have shippable products only.
Bob