MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
The file is a PDF document flagged as malicious by ClamAV with the signature Pdf.Exploit.Dropped-78. The ML classifier also assigned a high probability of maliciousness. The presence of XFA forms is a common characteristic of exploit-laden PDFs. The document body content is heavily obfuscated and appears to be part of an exploit chain rather than user-facing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 3
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ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Dropped-78
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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