PDF malware analysis — malicious · 2b979b695afebde3

MALICIOUS

PDF

2.7 KB Created: 6151-01-01 Authoring application: 2694

MD5: 61d73e6ac4bd363b8efd5005fa9bb42a SHA-1: 0143176bd150d9b35cafe52a5e8a90ae0cac5f17 SHA-256: 2b979b695afebde336fed6236d6466b87980364923599ae71afd9fb562193b15

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests it's a known exploit. The embedded JavaScript, found in 'javascript_obj0013_001.js', likely contains obfuscated code designed to exploit a vulnerability within the PDF reader, leading to arbitrary code execution. The exact nature of the exploit and payload is not fully discernible due to obfuscation, but the overall pattern points to a malicious PDF dropper.

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` `030878acd5f5f99299fb46d605cf14193b9e9c14a1d3b7116304875f56e1f1a8`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4796 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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