Malicious PDF — malware analysis report

Static analysis result for SHA-256 be1333c95f017b85…

MALICIOUS

PDF

24.0 KB
MD5: 265c624c122d8b3b305ebb7171048b3a SHA-1: b3d09ab9f985b7f6bd0799d43d21e6000b766bab SHA-256: be1333c95f017b85d2eaa1f39db96785adc2165d347beb42e4266e5f5f60a04b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious JavaScript T1204.002 Malicious Link: Malicious File

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The embedded URL, though partially obfuscated, points to an XFA schema resource. The heuristic firings strongly indicate that this PDF is designed to exploit this known vulnerability, likely leading to the download and execution of a secondary malicious 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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