Trend Micro researchers are warning of e-mails claiming to come from the Better Business Bureau or LinkedIn that link to malware.

"Once the links from these shady emails are clicked, the unsuspecting victim is redirected to a series of compromised WordPress sites that host the BlackHole Exploit Kit, which probes for vulnerable components," writes Softpedia's Eduard Kovacs.

"After the exploit kit finds the necessary security holes, the Cridex worm is downloaded and installed on the affected system," Kovacs writes.

Go to "BBB and LinkedIn Email Lure Users to Compromised WordPress Sites" to read the details.

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