Malicious PDF — malware analysis report

Static analysis result for SHA-256 80c28aa8035a6154…

MALICIOUS

PDF

24.0 KB
MD5: e887695a9e3d587c4aeeee044817b787 SHA-1: 6c25fa04a8eb388b6fdcd0ca9df90ec7d763802d SHA-256: 80c28aa8035a6154bf12e53074dded5eff236e0de61c8f9d1e8cd2aa0eb94192
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1059 Command and Scripting Interpreter T1059.001 Command and Scripting Interpreter: PowerShell

The sample is a PDF document identified as malicious by ClamAV. Static analysis detected the use of an XFA form and specifically flagged the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. This exploit is designed to download and execute a second-stage payload. An embedded URL was also extracted, which is likely related to the exploit delivery mechanism.

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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