Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a3b9ca69a9a07f3…

MALICIOUS

PDF

24.1 KB
MD5: 845bb13f60b6963b28c8995842231cd2 SHA-1: b200c5d77e6cda86783dc66adecf39a2a39f602a SHA-256: 5a3b9ca69a9a07f361012f29f73b4b273e172f93b2224a537dfa48aecd558159
160 Risk Score

Malware Insights

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

The file is a PDF that contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader's handling of LibTIFF images within XFA forms. This exploit is designed to achieve code execution. The embedded URL, while seemingly benign, is present within the document's structure and could potentially be used in conjunction with the exploit.

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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