Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a5babf568e2bb73…

MALICIOUS

PDF

24.0 KB
MD5: c01641fa59e7a3b32d6b620952ca97fb SHA-1: 70192fd168eabae294425288e6e9a35df01f6e0f SHA-256: 6a5babf568e2bb7380b916251efedf566920e03881ce419729f45e98aaf054ee
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF containing XFA form data, which is exploited by CVE-2010-0188 in Adobe Reader. The embedded JavaScript, although obfuscated, likely decodes and executes a payload. ClamAV and ML classifiers confirm the malicious nature, identifying it as Pdf.Exploit.Dropped-78. The embedded URL is likely related to the XFA template but is not directly used for 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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