MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File
T1566.002 Phishing: Spearphishing Attachment
T1027 Obfuscated Files or Information
The PDF file contains obfuscated JavaScript and U3D content, triggering heuristics related to PDF exploits and obfuscation. Specifically, the 'PDF_U3D_CVE_RELATED' heuristic indicates a potential vulnerability in Adobe Reader's 3D parsing capabilities. The presence of ASCIIHexDecode and ASCII85Decode filters further suggests attempts to obfuscate malicious content. While no specific family is identified, the techniques point towards a malicious PDF designed to exploit vulnerabilities upon opening.
Heuristics 6
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U3D/3D content in PDF — Adobe Reader 3D parser CVE-family indicator high PDF_U3D_CVE_RELATEDPDF contains U3D (Universal 3D) or 3D annotation content — CVE-2011-2462 and CVE-2009-3953 are critical vulnerabilities in Adobe Reader's U3D processing that allow arbitrary code execution. U3D content in PDFs is extremely rare in normal documents.
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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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