Malicious PDF — malware analysis report

Static analysis result for SHA-256 c44b8ef3389d2d81…

MALICIOUS

PDF

24.1 KB
MD5: ce60d6ceafd8345d48fad421973e9706 SHA-1: 4917d206374f7ee165fc1e94d898444139881d3d SHA-256: c44b8ef3389d2d818f39b6ecc865b0deefc023c743db2aca8c2329df99e111c5
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1566.002 Phishing: Spearphishing via Service T1566.003 Phishing: Spearphishing Link

The file is a PDF document that leverages an XFA form to exploit CVE-2010-0188, a vulnerability in Adobe Reader's handling of LibTIFF images within XFA content. This exploit is designed to download and execute a secondary payload. The embedded URL, while seemingly benign, is associated with XFA templates and likely part of the exploit chain.

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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