PDF malware analysis — malicious · 0068ea1a374783d7

MALICIOUS

PDF

10.7 KB

MD5: aedf9b1d7d1498d459ed018446f28fe2 SHA-1: dab91445c87721b766ea9c74f0875ff791c5f508 SHA-256: 0068ea1a374783d792f3b81319bd1126e28b8a651c8967d8211d0be20aa66541

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.002 Malicious JavaScript

The PDF file contains embedded JavaScript that utilizes an eval() call, a common technique for obfuscating malicious code. The ML classifier strongly indicates maliciousness. The JavaScript appears to be designed to download and execute a second-stage payload, though the exact URL is obfuscated within the script.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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_obj0076_000.js` `f6264566834c0ea84d13180370ccb53f6bcb3c427aa25bd089217af2b3402e5f`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2D4	10054 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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