Malicious PDF — malware analysis report

Static analysis result for SHA-256 1272e54c36ff1494…

MALICIOUS

PDF

67.2 KB
MD5: a5b17bff330a254d49154c5c94c360e3 SHA-1: fab5900392436ff26d4b390dc9d8672a62a9bc7f SHA-256: 1272e54c36ff1494107e0f0922c6fcf7a170647fdf8ad0e8801215e43e3e3667
160 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV and an ML classifier, and static analysis indicates it exploits CVE-2010-0188 using an XFA form. This exploit likely leads to the execution of a dropped payload, as suggested by the ClamAV detection name 'Pdf.Exploit.Dropped-78'. The embedded URL is likely related to the exploit or payload delivery.

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.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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