Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b9b718f9c8a2238…

MALICIOUS

PDF

24.1 KB
MD5: 213298c051c6d8d487e6ccfb99bac2e3 SHA-1: f37ca99ad121691b5f155b12e0dcd7f39f1eaef9 SHA-256: 3b9b718f9c8a2238c2d3f9b7d436569386b81690c4de4d0ced097e02fa83c08a
128 Risk Score

Malware Insights

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

The PDF file contains an embedded XFA form which is exploited by CVE-2010-0188, a known vulnerability in Adobe Reader. This exploit is designed to execute arbitrary code. The embedded URL, while seemingly benign, is often used in conjunction with such exploits to download further stages of the attack. The ClamAV detection further confirms the malicious nature of the file.

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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