Malicious PDF — malware analysis report

Static analysis result for SHA-256 09fbd83bbc4b8456…

MALICIOUS

PDF

24.1 KB
MD5: 995b8ceca40639e37ad3dd49f07b23e0 SHA-1: b64c95dc99ea4f2fe011a173f95772f900370926 SHA-256: 09fbd83bbc4b84561ef85a8af4ac9153d2f4a533349f0ea3f96a8f1b42e289e0
162 Risk Score

Malware Insights

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

The critical heuristic 'CVE_2010_0188' indicates the file exploits a known vulnerability in Adobe Reader related to XFA forms. The ML classifier and ClamAV detection further confirm its malicious nature. The embedded URL is likely related to the exploit's functionality or payload delivery.

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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