PDF malware analysis — malicious · 542827d340179045

MALICIOUS

PDF

2.7 KB Created: 5937-01-01 Authoring application: 3160

MD5: f83ae2bacdc064d5a408fe0513fa9c06 SHA-1: a930025d79588bd9c36222dd2016ad984f1c559b SHA-256: 542827d340179045299ef8030df63b4b262a127ecbb8522284d5b76589ca0744

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, as indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ML classifier and ClamAV detection strongly suggest malicious intent, with ClamAV identifying it as 'Pdf.Exploit.Agent-36014'. The embedded JavaScript is likely used to exploit a vulnerability within the PDF reader to execute arbitrary code.

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` `44a05d8dc89cee60d7a178ac3b939847e94525f3428cfb564fbb821cf8395990`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4783 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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