PDF malware analysis — malicious · 1bb04f3044d8a434

MALICIOUS

PDF

2.7 KB Created: 4436-01-01 Authoring application: 8987

MD5: c4002d5363631927d412fb39cefdd7c8 SHA-1: 734c81a4c314aaecd7bc1b5d58d0a104edb5b42f SHA-256: 1bb04f3044d8a434b50fb6bde1ec80b78221ff91e3896c9f7269cf2d59999b38

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic flags it as Pdf.Exploit.Agent-36014. The embedded JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, suggesting it's designed to perform malicious actions such as downloading and executing a second-stage payload. The presence of JavaScript and exploit indicators points to a common PDF-based attack vector.

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` `be71c4c2af9e6c4ebd1290d4791ae084252f3d402dd9ed5bb9ae127d6c6ac334`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4812 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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