Malicious PDF — malware analysis report

Static analysis result for SHA-256 a71c07ed2332fed7…

MALICIOUS

PDF

23.9 KB
MD5: 224d3e29dbe132a70bbeaa0c0e986e90 SHA-1: b38e5d7167f2bd67545024b0afcaecac2343690d SHA-256: a71c07ed2332fed7f7ca1988a3f415354e1fd2dc046ed9f58349fe707f337757
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The sample is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The heuristic firings indicate that the file contains an XFA form and is specifically targeted by the CVE-2010-0188 exploit, which is designed to drop a second-stage payload. The embedded URL, while seemingly benign, is part of the XFA template structure and may be used in the exploitation process.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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