Malicious PDF — malware analysis report

Static analysis result for SHA-256 7218fe2cd01d3205…

MALICIOUS

PDF

23.9 KB
MD5: 55da4b4869a354fdd563432876537a7a SHA-1: b2f640120cf029058c0caf3f9b9b86bdfe00465b SHA-256: 7218fe2cd01d32055ba3850a31c08402c5859883d1e20e2f08a1f992c0205aff
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple engines, including ClamAV and a machine learning classifier. It contains an exploit for CVE-2010-0188 targeting Adobe Reader's XFA forms, which is a critical vulnerability allowing for client-side code execution. The embedded URL, while seemingly benign, is present within the document's structure and could potentially be used in conjunction with the exploit.

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-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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