PDF malware analysis — malicious · cb8a3b3933e29594

MALICIOUS

PDF

2.7 KB Created: 6493-01-01 Authoring application: 1284

MD5: 8b95fe7280716ef6ef9dba25addffa14 SHA-1: 55fd35b7e188113a5a944d62ef2030f270064c4e SHA-256: cb8a3b3933e295944082ca323f8f1aa8401ec1b4782b99732df730870d757c94

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic identifies the file as Pdf.Exploit.Agent-36014, suggesting it exploits a known PDF vulnerability. The embedded JavaScript, although obfuscated, is likely responsible for downloading and executing a secondary payload, which is a common attack vector for PDF exploits.

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` `4d0a836a6f439385bf9e48c6b8fa7b589ab52ab6d2da878b0affcb2dff6d43bd`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4790 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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