Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f194f9b30fbbf35…

MALICIOUS

PDF

24.0 KB
MD5: a53b4e81ffbe1f316239b92bb65e8f5c SHA-1: 8a59b7a0d01e5b7b2d7b33b621efae51b0dbd759 SHA-256: 9f194f9b30fbbf35461d768ab11ec04aecea1c92c80c6c0312a63f9ee0aff23f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: User Execution - Malicious Attachment T1204.001 Malicious File: User Execution - Malicious PDF

The sample is a PDF document identified as malicious by ClamAV. Static analysis detected the use of XFA forms and specifically flagged the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's handling of XFA images. The embedded URL, while seemingly benign, is part of the exploit's structure. The exploit likely leads to the download and execution of a second-stage payload.

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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