Malicious PDF — malware analysis report

Static analysis result for SHA-256 8cd61a473edf9092…

MALICIOUS

PDF

23.9 KB
MD5: 2deacd150923c58e5ca33bd6185ddaa0 SHA-1: 2be2264aaaa9fadc655f8bbfd688b0496e37a297 SHA-256: 8cd61a473edf9092103c9a014e1ef65b7db5ba63570734cf278fd23b5a6f0a93
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF file that triggers the CVE-2010-0188 exploit, targeting Adobe Reader's XFA form processing. This exploit is known to facilitate arbitrary code execution. The embedded URL, while seemingly benign, is often used in conjunction with such exploits to fetch further malicious content. The presence of XFA forms and the specific CVE strongly suggest an exploit delivery mechanism.

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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