MALICIOUS
84
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF file contains multiple indicators of malicious activity, including embedded JavaScript, a RichMedia (Flash) object, and the use of ASCIIHexDecode filters, which are often used to obfuscate malicious content. The embedded JavaScript appears to be obfuscated and attempts to evaluate a string that includes 'QqsaautzYsQ.swf', suggesting it may be designed to download and execute a Flash-based payload. The reconstructed JavaScript string is included as an IOC.
Heuristics 5
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RichMedia (Flash) high PDF_RICHMEDIAPDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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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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Embedded file low PDF_EMBEDDEDPDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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