PDF malware analysis — malicious · 170c707487b16c4a

MALICIOUS

PDF

3.3 KB

MD5: d5d64a830441fdb781ece728be41d171 SHA-1: 04896dd6b8d9868b8f5c27b167cbd876a60c4265 SHA-256: 170c707487b16c4a350a411dd01743ab3059cf5638f3142038aad3fa1c275d6c

208 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9994

Heuristics 6

PDF JavaScript exploit cluster critical PDF_JS_EXPLOIT_CLUSTER

PDF combines an executable JavaScript/action surface with exploit staging indicators such as eval/unescape/fromCharCode, XFA script content, or a related CVE pattern. Benign form JavaScript remains low-severity, but this correlated cluster is high-confidence malicious behavior.
ClamAV: Pdf.Dropper.Agent-5342579-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-5342579-0
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `96f9a54ab101b258bf0649da109d74d5f143949ce8ba96b3b20e17a986617ea4`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1B0	2148 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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