PDF malware analysis — malicious · 20a7568cf7d7fbdf

MALICIOUS

PDF

2.7 KB Created: 1869-01-01 Authoring application: 1825

MD5: fefcfdcea3d3530fb20c0d841a5758ce SHA-1: 01a32ee39592d8759ea59b417ef59b2465bdf8b0 SHA-256: 20a7568cf7d7fbdf504edd8e04c9706bd297bd490d422bb80fa6db20e5e16416

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of exploit activity. Embedded JavaScript, identified as 'javascript_obj0013_001.js', was extracted and shows signs of obfuscation, suggesting it's used to deliver a payload. The presence of JavaScript actions and streams within the PDF structure further supports this attack pattern.

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
Suspicious extracted artifact medium 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.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `eed0a723fb43897027b2e09104b9fa1a4a48f98e3332ab1ce22072427bea6905`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4798 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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