MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing with Malicious Attachment
The PDF file contains obfuscated JavaScript, indicated by multiple heuristic firings related to PDF JavaScript and filters. ClamAV also flagged it as Heuristics.PDF.ObfuscatedNameObject. The presence of JavaScript actions and embedded JS streams suggests an attempt to execute malicious code, likely to download and run a second-stage payload.
Heuristics 5
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ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTIONClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEXHex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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