Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbc9ba01ef249a35…

MALICIOUS

PDF

24.1 KB
MD5: 70c1e127502517c1813b88640d500790 SHA-1: eaa6429cce433b264913ff62b9614d103c03a423 SHA-256: bbc9ba01ef249a35d7330234f3d4f84cc29771ed9b88b9de77d2e4f048427298
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.002 Phishing: Spearphishing Attachment

The sample is a PDF file that leverages XFA forms and exploits CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF handling, to execute arbitrary code. This indicates a likely attack pattern involving user interaction with a malicious document to trigger an exploit. The embedded URL, while seemingly benign, is part of the XFA template structure and may be used in conjunction with the exploit.

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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