Malicious PDF — malware analysis report

Static analysis result for SHA-256 b3939985f2ed59cb…

MALICIOUS

PDF

24.5 KB
MD5: 5c46bba13026f4b5e3cf78f8f5055c9b SHA-1: d2b89e26e29d4bbe6ea42eea38b4bbfa27d27c71 SHA-256: b3939985f2ed59cbde7e85b6fda734b7142dc618ef785498659cecd3f52b5bb1
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample is a PDF file that triggers critical heuristics for CVE-2010-0188, an exploit targeting Adobe Reader's XFA form processing and LibTIFF. This indicates the document is designed to be opened by a vulnerable PDF reader to execute arbitrary code. The embedded URL, while not directly malicious in reputation, is part of the XFA template structure.

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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