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Exploit:Win32/Pdfjsc.AEB


Exploit:Win32/Pdfjsc.AEB is a malicious PDF file that exploits a vulnerability in Adobe Acrobat and Adobe Reader.

The vulnerabilities, discussed in CVE-2010-0188, allow this malware to download and run arbitrary files.

The following versions of Adobe Acrobat and Adobe Reader are vulnerable to this exploit:

  • Adobe Acrobat and Adobe Reader earlier than 8.2.1
  • Adobe Acrobat and Adobe Reader earlier than 9.3.1
Install updates to prevent infection

This malware exploits known vulnerabilities.

You should always install the latest updates available from Adobe to prevent reinfection from this threat, and possible infection from other threats.

Download updates for Adobe products from the following link:



What to do now

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

Update vulnerable PDF applications

This threat exploits known vulnerabilities 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:

Threat behavior

Exploit:Win32/Pdfjsc.AEB is a malicious PDF file that exploits a vulnerability in Adobe Acrobat and Adobe Reader.

The vulnerabilities, discussed in CVE-2010-0188, allow this malware to download and run arbitrary files.

The following versions of Adobe Acrobat and Adobe Reader are vulnerable to this exploit:

  • Adobe Acrobat and Adobe Reader earlier than 8.2.1
  • Adobe Acrobat and Adobe Reader earlier than 9.3.1

Installation

Exploit:Win32/Pdfjsc.AEB may be encountered when visiting a compromised webpage with a vulnerable computer, and has also been observed to be distributed via the "Blackhole exploit pack". The PDF file contains a malicious JavaScript that exploits a vulnerability, discussed in CVE-2010-0188.

Payload

Downloads arbitrary files

If Exploit:Win32/Pdfjsc.AEB successfully exploits a vulnerable computer, it attempts to download and install arbitrary files.

In the wild, we have observed Exploit:Win32/Pdfjsc.AEB contacting the following sites for this purpose:

  • mankalaa.com
  • tlmrorw.onmypc.us
  • xjsnzo.eu

As of this writing, the sites are unavailable.

Analysis by Horea Coroiu


Symptoms

There are no common symptoms associated with this threat. Alert notifications from installed antivirus software may be the only symptoms.


Prevention


Alert level: Severe
First detected by definition: 1.139.1009.0
Latest detected by definition: 1.139.1873.0 and higher
First detected on: Oct 31, 2012
This entry was first published on: Oct 31, 2012
This entry was updated on: Nov 22, 2012

This threat is also detected as:
No known aliases