Office workers beware: opening PDF files can cause computers to be remotely controlled

Adobe's official security warning says new security vulnerabilities (cve-2011-2462) have been found in Adobe Reader and Acrobat 9.4.6. Adobe will release the update next week due to higher vulnerability levels. December 8, Jinshan poison PA Security Center reported that the attack code has been disclosed, verified that the installation of Jinshan poison PA computer can successfully defend against this vulnerability attack.

PDF is the most common format for electronic documents, Adobe Reader and Acrobat are installed on office computers, while many people do not value Adobe Reader and Acrobat version updates, and security vulnerabilities are not patched in time. Fortunately, the newly exposed Adobe vulnerability has no effect on the protection mode of Adobe Reader X and Acrobat X.

Jinshan Poison PA Safety experts point out that the attackers will use Adobe's latest vulnerabilities to create special PDF files, or to use Web pages to hang horses. When the Office family opens or edits this special PDF document, the malicious program will run silently, causing the computer to be remotely controlled. When an attacker uses a Web page to hang immediately, the browser accesses a particular PDF file and is immediately poisoned.

Figure 1 Opening a PDF file on an unguarded system can cause a malicious program to run

Jinshan Poison PA Security Center with the public attack code to do the test, in the installation of Kingsoft Poison PA computer Open attack files, the built-in Shield protection module will directly cause the attack program crashes can not run, thus protecting the user's computer.

Figure 2 A computer with Kingsoft poison fighter installed to protect against Adobe's latest vulnerabilities

"We also upgraded the Golden Hill defender's Patch library to help upgrade to less-risky adobe Readerx with users who did not install Jinshan poison tyrants. Users only need to follow the tips of the Golden Hill Guardian upgrade Adobe Software to improve the security level ", Jinshan poison PA safety experts suggested that netizens timely upgrade to ensure security.

Figure 3 Golden Hill Guardian to remind users to install Adobe Reader security patches