MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 Command and Scripting Interpreter: PowerShell
T1566.002 Phishing: Spearphishing with Malicious Attachment
T1204.002 Malicious File Execution: Malicious File
This PDF file exhibits multiple indicators of malicious intent, including the presence of embedded JavaScript and the use of obfuscation filters like ASCIIHexDecode and ASCII85Decode. ClamAV also flagged it with a critical heuristic for obfuscated name objects. The combination of these factors strongly suggests the PDF is designed to execute malicious JavaScript, likely to download and run a secondary 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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