http://eicar.org/anti_virus_test_file.htm
http://spamassassin.apache.org/gtube/
http://www.malwaredomainlist.com/mdl.php
http://www.malwaredomains.com/
http://www.securelist.com/en/analysis/204792166/Monthly_Malware_Statistics_February_2011
http://www.fortiguard.com/report/roundup_february_2011.html
— @pello on Twitter