PDF malware analysis — malicious · c8c8ee4a70a47312

MALICIOUS

PDF

2.5 KB Created: 2008-31-20 53:85:00 Authoring application: aaaaaaaa

MD5: d9b238df02ae8d03d2e490643b3be3e6 SHA-1: 336cf08a54a9e658a9816b1ab29b6781d19e8933 SHA-256: c8c8ee4a70a473120a73570a03c806fdb4b4846186bb0904a727fb7e581ffb05

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by ML classifiers and ClamAV as malicious (Pdf.Exploit.Agent-36014). It contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics, which is likely used to exploit vulnerabilities within the PDF reader. The ML classifier output of 0.999994 strongly suggests a malicious exploit is present. No specific family could be identified, but the techniques point towards a common PDF exploit delivery.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
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_obj0013_001.js` `3b05a0cafb67077e1c837d1fd8318d5e45268ee045c81b0b46fac31c0422c0f7`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	3670 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).

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