Malicious PDF — malware analysis report

Static analysis result for SHA-256 090bf9df76316c45…

MALICIOUS

PDF

24.2 KB
MD5: 80cb79d44c406691ff2bc20a2651f027 SHA-1: ccbef94083979611356213867cbc2411170ce8e2 SHA-256: 090bf9df76316c45ed2d00f4be71b79a92f88d27a5a54b15fa4110bcd6eb8338
162 Risk Score

Malware Insights

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

The file is a PDF that contains an XFA form, which is exploited by CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The embedded URL is likely related to the XFA template but does not appear to be a direct payload delivery URL.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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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