MALICIOUS
108
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The file is identified as malicious by multiple engines, including ClamAV which flagged it for obfuscated objects. The presence of XFA forms and embedded files suggests an attempt to execute embedded content, likely JavaScript, to achieve its malicious objective. The lack of readable document body text and the nature of the heuristics point towards a downloader or exploit delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 4
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ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTIONClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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Embedded file low PDF_EMBEDDEDPDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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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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