New PDF based “pump-and-dump” stock spam
July 9, 2007
In a previous news bulletin on June 29th MX Lab reported about the new way spammers try to deliver their messages with the help of PDF files
PDF based spam seems to take a lead over image based spam very soon because MX Lab is detecting two new PDF based pump-and-dump stock spam campaigns together with some text based stock spam messages. Read the full article.
