Malicious PDF — malware analysis report

Static analysis result for SHA-256 d428c2e585d2b310…

MALICIOUS

PDF

24.1 KB
MD5: e711e281a777cdddf85e8233e9243826 SHA-1: a9fd3b02325e5bfb2a59f98a23a36435fb397e86 SHA-256: d428c2e585d2b310ae6851f15b68375e473c9a3def96955c79c64aeb3d35b526
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The sample is a PDF file that contains an embedded XFA form. Heuristics indicate a critical vulnerability, CVE-2010-0188, which is an Adobe Reader LibTIFF XFA image exploit. This exploit is used to execute arbitrary code on the victim's machine. The embedded URL is likely related to the exploit delivery or command and control.

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.xfa.org/schema/xfa-template/2.5/

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