Malicious PDF — malware analysis report

Static analysis result for SHA-256 75990252d23df691…

MALICIOUS

PDF

24.1 KB
MD5: 6157937c94e35b1754335e2635ef502b SHA-1: 7d50d702c34e980da873ee7dd555054258ae0818 SHA-256: 75990252d23df6915d41a420753c6983f78012cb33128413b087f5056de32892
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 an ML classifier. It contains an exploit for CVE-2010-0188, targeting Adobe Reader's XFA form processing. This exploit likely leads to the execution of a second-stage payload, as indicated by the critical heuristic firing. The embedded URL, while seemingly benign, is present within the context of an 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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