Malicious PDF — malware analysis report

Static analysis result for SHA-256 7feb710eb76d4fc5…

MALICIOUS

PDF

24.0 KB
MD5: 4dfddbbb5f4b20854e041300fa483239 SHA-1: 4ef2b7c641f90513d752229ef3002fc09346a0f0 SHA-256: 7feb710eb76d4fc560e0c4c5540ac269d4b3d85225e4c66d791c6c8081419eb2
160 Risk Score

Malware Insights

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

The sample is a PDF file that contains an embedded XFA form, which is known to be exploited by CVE-2010-0188. This vulnerability allows for arbitrary code execution within Adobe Reader. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL, while not directly malicious, is associated with XFA templates, further supporting the exploit vector.

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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