Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed6aa67dad2e5b19…

MALICIOUS

PDF

24.1 KB
MD5: 9aef8c5bbd389e604f45a4190a98940b SHA-1: e83accf8ea537a0d84bd0330e899a8b722995321 SHA-256: ed6aa67dad2e5b192810fe4c9e01ea09fc869409adcafafd4eba82191def4cf4
128 Risk Score

Malware Insights

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

The sample is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of LibTIFF XFA images. This exploit is designed to allow arbitrary code execution when the document is opened. The embedded URL, while not directly malicious in this context, is part of the XFA template structure. The heuristic firings strongly indicate a malicious PDF exploit.

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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