Eh.. What? Are you commenting on the wrong article by chance? I don't see any of that. If you're even remotely serious I'd take a good look at your machine/system.
However, I just switched on my home VPN and the links disappeared. Time to talk to someone in netops, methinks.
http://wp.smashingmagazine.com/2012/10/09/four-malware-infec...
EDIT: The spam is present also when browsing from a Linux VM.
> reading on an iPad, so the risk of system infection is negligible.
Blog Admin needs to check his site.
EDIT: Ah... it's a WordPress site, 'nuff said.
See http://www.mattcutts.com/blog/fetch-as-googlebot-tool-hacked...
I accidentally still had it on from trying to read an article that some site was showing exclusively to the googlebot but paywalling for everyone else. If I hadn't, I wouldn't have noticed.