MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious Link
T1059 Command and Scripting Interpreter
T1059.001 PowerShell
T1059.003 Windows Command Shell
T1059.007 JavaScript
The PDF file contains multiple heuristic firings indicating malicious intent, including PDF_OPENACTION, PDF_XFA, PDF_FILTER_HEX, and PDF_ACROFORM_BUTTON. These indicators suggest the file is designed to exploit vulnerabilities within the PDF reader. The presence of ASCIIHexDecode filter with exploit indicators further supports this. No scripts were extracted from this sample, but the combination of PDF-specific exploits points to a common attack pattern for delivering malicious payloads.
Heuristics 4
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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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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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AcroForm button with action trigger low PDF_ACROFORM_BUTTONPDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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