The spammer uses SEO techniques to get his meds site the top result at Google for the search term “myvisameds global cart” and then sends out his spam run with a Google "I'm feeling lucky" link searching on those words. Result, anybody clicking on the Google link gets redirected to his site.
A SANS handler notices what's going on and posts a diary entry documenting what the spammers are doing to avoid putting their domain names in the mail and getting them caught up by SURBL type scoring systems.
SANS being popular and having a huge page rank means that it stomps all over the spammers SEO attempts and becomes the top result returned for the spammers search terms.
Result: Anybody clicking on the link the spammer sends out now gets sent to the SANS diary entry rather than the spammers site.
I actually laughed out loud when I got to the update at the bottom of the article where they reveal the effect of their posting the story.
