According to investigators from Symantec the security company, Internet-assaults abusing a zero-day security flaw within Adobe Reader seemingly aimed at defense contractors as well as other organizations.
On December 6, 2011, an online security advisory from Adobe cautioned users of Adobe Acrobat and Reader about the critical flaw arising from the way the applications gained admission into PDF files. Attackers as well abused the flaw on Windows-PCs running Adobe Reader 9.x, the advisory stated.
Further, Security Intelligence Manager Joshua Talbot from Symantec Security Response said that according to the Symantec investigators, attackers dispatched e-mails containing malevolent PDF files, which while abusing the vulnerability, targeted the inboxes of chemical and telecommunication organizations besides defense contractors. Eweek published Talbot's statement on December 7, 2011.
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