Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e15363880c583fd…

MALICIOUS

PDF

20.3 KB
MD5: 04bd21e06f07987d41fae4d352bafda0 SHA-1: 18d2fb01508a7c90409822985121dc339871db0d SHA-256: 6e15363880c583fd2286501ce4c8bad41fa4528b820aa53acd7ff1982fb9f082
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF that contains an XFA form, which is known to be vulnerable to exploitation. Static analysis detected the CVE-2010-0188 exploit targeting LibTIFF within the XFA payload. This exploit allows for arbitrary code execution, likely to download and run a second-stage payload. The embedded URL is likely related to the exploit infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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