PDF malware analysis — malicious · b2609c99baf99730

MALICIOUS

PDF

2.7 KB Created: 8528-01-01 Authoring application: 978

MD5: 60a9e7a04f6370c6eca941987fea7245 SHA-1: 42179a9f166ab9eddeadea3bcd0780d7556165cd SHA-256: b2609c99baf9973088fd386fec0dc512b7039abef36761208ec22933ce873e72

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 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 this is a malicious exploit. An embedded JavaScript file, 'javascript_obj0013_001.js', was extracted, which likely contains the exploit code. The exact function of the script could not be determined due to obfuscation, but it is highly probable that it attempts to download and execute 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` `d33f8bb6f91df9419f9d050b6abd49ef410873de0ba0007eb7bdb67b711dbac8`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4794 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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