Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f5e6498b70929ea…

MALICIOUS

PDF

24.1 KB
MD5: b011da832b33e6a94d084a7d369f8580 SHA-1: 1cb0cb50b76dc893529eaca7ac1d343c5363c2df SHA-256: 3f5e6498b70929eae0311d5028b6090c6920d9271767438546b760e6a45e5f3a
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.001 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The critical heuristic firing for CVE-2010-0188 indicates the PDF exploits a known vulnerability in Adobe Reader related to XFA forms. The embedded URL, while seemingly benign, is associated with XFA templates and could be a lure or part of the exploit chain. The ClamAV detection further confirms the malicious nature of the file. The document body contains obfuscated JavaScript which likely contributes to the exploit execution.

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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