Malicious PDF — malware analysis report

Static analysis result for SHA-256 0413c87beac84231…

MALICIOUS

PDF

24.1 KB
MD5: c4129da94fb983f6f4cb8a75e35e87e5 SHA-1: 0f35c6c172afea5efc421abbbf1372dcbc8e8125 SHA-256: 0413c87beac84231832a714215ca6ddb2ae9395627564bf715ec59cf8e3cb0d7
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component via XFA forms. The embedded URL, while likely benign in isolation, is present within the context of an exploit. The ML classifier strongly indicates maliciousness, supporting the exploitation of a known vulnerability for initial execution.

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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