PDF malware analysis — malicious · 4c546a01bc612246

MALICIOUS

PDF

2.7 KB Created: 5038-01-01 Authoring application: 2801

MD5: 76ba9ed49c9eca62e90ee760e13c06b5 SHA-1: a830bedb486803f141f85c037202c800e8d9ef49 SHA-256: 4c546a01bc612246f7c5780bc7fc62837d581d77f9b58a0f70595df1d1bf77b5

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'javascript_obj0013_001.js' artifact was extracted, and static triage signals indicate obfuscation. ClamAV also detected this as 'Pdf.Exploit.Agent-36014'. The embedded JavaScript likely attempts to exploit a vulnerability within the PDF reader to execute malicious code, possibly downloading a second-stage payload.

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` `b06edce2639c61fa4c6e3ed63909957233b476442580e96ff6a1b249d976f66d`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4782 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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