PDF malware analysis — malicious · b08a76e543dc1e4a

MALICIOUS

PDF

2.7 KB Created: 7173-01-01 Authoring application: 8822

MD5: eec957417585537715841dd4121b186b SHA-1: 40e750a572cafff1cf76a5e1252fe6739cc17c94 SHA-256: b08a76e543dc1e4a2f13e699afdcdd3c854b0605a6a54188f8306965b72b24ef

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript file, 'javascript_obj0013_001.js', likely contains exploit code designed to be executed when the PDF is opened, potentially leading to further malicious activity. The file's metadata and lack of readable document body text are consistent with a malicious exploit delivery mechanism.

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` `163b5b99c3bb997901a8250dbc5476a40188cc763844439b4729cf7d701bdca6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4796 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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