Exploit.JS.Pdfka.gjc
Posted: March 15, 2013
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
Threat Level: | 9/10 |
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Infected PCs: | 89 |
First Seen: | March 15, 2013 |
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Last Seen: | August 18, 2020 |
OS(es) Affected: | Windows |
Exploit.JS.Pdfka.gjc is a Javascript Trojan that is a part of the malware attacks using PDF exploits. Exploit.JS.Pdfka.gjc attacks Uyghur and Tibetan activists. Exploit.JS.Pdfka.gjc spreads via PDF files, which include the CVE-2013-0640/641 (ItaDuke) exploits. If the exploit, detected as Exploit.JS.Pdfka.gjc, is successful, the PDFs display a clean, 'lure' document to the affected PC user. The first document called '2013-Yilliq Noruz Bayram Merik isige Teklip.pdf' points to a New Year's party invitation. The second one, called 'arp.pdf', is an authorization to request a reimbursement, for a Tibetan activist group. The Javascript exploit code has a large comment block prepended, which was most likely involved to evade detection by certain anti-malware tools. The documents download another malware threat, detected as Trojan.Win32.Agent.hwoo.
Technical Details
File System Modifications
Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.
The following files were created in the system:2013-Yilliq Noruz Bayram Merik isige Teklip.pdf
File name: 2013-Yilliq Noruz Bayram Merik isige Teklip.pdfMime Type: unknown/pdf
Group: Malware file
arp.pdf
File name: arp.pdfMime Type: unknown/pdf
Group: Malware file
AaAuDA.pdf
File name: AaAuDA.pdfMime Type: unknown/pdf
Group: Malware file
joint_letter.pdf
File name: joint_letter.pdfMime Type: unknown/pdf
Group: Malware file
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