Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c7a4163b0f91d86…

MALICIOUS

PDF

47.2 KB
MD5: 56457c2c168363c60f4f92569e618cf6 SHA-1: c513440f1d42777690823e1551b9e66fa3c16634 SHA-256: 9c7a4163b0f91d8635351765dff4ec8777d32165acbda1547bc98963809bd753
70 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Exploit.Dropped-78, indicating it is a known malicious exploit. The presence of an XFA form is a common technique used in PDF exploits. An embedded URL was also found, likely used to download a secondary payload. The differential parser failure suggests potential obfuscation or corruption, common in exploit delivery.

Heuristics 4

  • ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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