PDF malware analysis — malicious · e0ac2d094329cd28

MALICIOUS

PDF

2.7 KB Created: 1356-01-01 Authoring application: 859

MD5: f2aca24988bc6143bfcb90058277b906 SHA-1: 673418bc79a1cfd485e9d1e4c03cf21f3a981b52 SHA-256: e0ac2d094329cd28a2efb81312179e3dcf7ae213b66c9a345cfc788f61cf23e2

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. The extracted artifact 'javascript_obj0013_001.js' likely contains the exploit code. The exact purpose of the JavaScript is not fully discernible due to obfuscation, but it is highly probable that it attempts to download and execute a second-stage payload.

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` `0b158308a472b2b23af49a526f8dbbe93f883203964b2a964d16365364d29463`	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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