Malicious PDF — malware analysis report

Static analysis result for SHA-256 6331487addade421…

MALICIOUS

PDF

24.3 KB
MD5: 59d814bf0cf1fc13bf7bb985664963d3 SHA-1: 33f2c71f048436823c0633f5dc41480a489192b6 SHA-256: 6331487addade421d428e50db79e4954f9f7d14962fc2bb9a29854fb74f8add5
160 Risk Score

Malware Insights

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

The file is a PDF containing an XFA form, which is known to be vulnerable to exploits like CVE-2010-0188. Static analysis detected the exploit and identified embedded JavaScript, indicating the sample attempts to download and execute a second-stage payload. The embedded URL is likely related to the XFA template but may also be used in the exploit chain.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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