Malicious PDF — malware analysis report

Static analysis result for SHA-256 12d586942ebbae06…

MALICIOUS

PDF

24.1 KB
MD5: 2204d39a866f57dff4a7c81564429fc4 SHA-1: 6f243e069327052d6b4db11b57db3218e386e5aa SHA-256: 12d586942ebbae069552a17f7e8d52f596ababa5edeb1c0bb2da02bd753b1cad
160 Risk Score

Malware Insights

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

The file is a PDF document that contains an XFA form, which is known to be vulnerable to exploitation. Specifically, the CVE-2010-0188 heuristic indicates a critical vulnerability in Adobe Reader's LibTIFF processing within XFA forms. This exploit is likely used to achieve arbitrary code execution on the victim's machine, potentially leading to the download and execution of a secondary payload. The embedded URL, while seemingly benign, is present within the document's structure.

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.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
  • 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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