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Exploit:Win32/Pdfjsc.AS
Detected by Microsoft Defender Antivirus
Aliases: Mal/PdfEx-C (Sophos) Exploit.PDF-JS.Gen (BitDefender) Exploit-PDF.b.gen (McAfee)
Summary
Exploit:Win32/Pdfjsc.AS is a detection for specially-crafted PDF files that attempt to exploit software vulnerabilities in Adobe Acrobat and Adobe Reader. It usually arrives in the system when the user visits a Web page that contains a malicious PDF file or opens an e-mail message containing the PDF file as an attachment.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, see http://www.microsoft.com/protect/computer/viruses/vista.mspx.
This malware exploits known vulnerabilities in PDF documents, with CVE Identifiers CVE-2007-5659, CVE-2008-2992, and CVE-2009-0927 in Adobe Acrobat and Adobe Reader. After removing this threat, make sure that you install the updates available from the vendor. You can read more about these vulnerabilities in PDF documents, as well as where to download the software update, from the following links:
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