Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6d1776002ea5be4…

MALICIOUS

PDF

16.6 KB
MD5: 4b8f379277ad0f58d92865fc37b26838 SHA-1: 8529507fa4f3cf5c897736169bf966242e872cf3 SHA-256: e6d1776002ea5be424b9832cf8bef6dfd4caf111d028bbb219be821bae1c3f41
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.001 Phishing: Spearphishing Attachment

The sample is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The heuristic firings indicate that the PDF contains an XFA form and that the LibTIFF component is targeted for exploitation. The embedded URL, while seemingly benign, is part of the XFA structure and likely related to the exploit delivery mechanism. The ClamAV detection further confirms its malicious nature as Pdf.Exploit.Agent-36835.

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-36835 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36835
  • 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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