Malicious PDF — malware analysis report

Static analysis result for SHA-256 860fc92eadf51742…

MALICIOUS

PDF

24.0 KB
MD5: 0a390824af854ae9b2baab3bfa46b81e SHA-1: 05e07a1caa2ef007d400a93b88e5bb83d8264a0a SHA-256: 860fc92eadf5174273d1baa3e16cc28ee01fa0a98568f2794e263611b1c3294c
162 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 and an ML classifier. It specifically targets CVE-2010-0188, an exploit for Adobe Reader's LibTIFF component, indicating an attempt to execute arbitrary code upon opening. The embedded URL is likely related to the XFA template, but its exact purpose is unclear without further analysis.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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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