Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7b910510d8927dc…

MALICIOUS

PDF

24.1 KB
MD5: 61ae21da8678b4ed3ad66fe8086ec4e5 SHA-1: 1eb97d87fd7e6a72db01cab3047dd278488e6f10 SHA-256: f7b910510d8927dccb37d6237dd01e6c75d6482562de4c2378d6cbdf968cf327
128 Risk Score

Malware Insights

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

The critical heuristic firings for CVE-2010-0188 and ClamAV detection indicate a malicious PDF exploiting a known vulnerability. The presence of an embedded URL, though benign in reputation, is consistent with the delivery mechanism for such exploits. The XFA form structure is also a common vector for these types of attacks.

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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