PDF malware analysis — malicious · e4c5f31304cd8f63

MALICIOUS

PDF

2.7 KB Created: 387 Authoring application: 5356

MD5: 5990c5c4cf738e8070e5c4e58de7fbe5 SHA-1: 52b53c43f04bf4dc100f3d333aadeb2ab5d595c4 SHA-256: e4c5f31304cd8f63a5a67c7423020d9b514a1919b9d11d5510b349d4faee02ff

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious File: User Execution

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic identifies it as Pdf.Exploit.Agent-36014, suggesting it exploits a known PDF vulnerability. The embedded JavaScript file, 'javascript_obj0013_001.js', is likely responsible for the malicious payload delivery. The obfuscation indicators in the extracted artifact further support a malicious intent.

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` `ec7d6c496420092d43f4ca46e90d50cf9e0527734470cbf7c42d27be08cfb21b`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4792 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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