MALICIOUS
78
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF file contains multiple indicators of malicious JavaScript execution, including an OpenAction trigger and embedded JS streams. The presence of these elements strongly suggests the document is designed to automatically run a script upon opening. This script is likely intended to download and execute a second-stage payload, a common technique for delivering malware. The document body's content is generic and truncated, providing no specific lure.
Heuristics 5
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OpenAction trigger high PDF_OPENACTIONPDF has an /OpenAction that launches, submits, or opens an external target
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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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