Pdf.Dropper.Agent-7266049-0 PDF malware analysis — malicious · 6211b94d88cd3c68

MALICIOUS

PDF

10.8 KB Created: 2008-07-26 19:43:58 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: c91213f57992e7a39e9b2ad172f529be SHA-1: dc2190561ec1f53d97331c22bac82a01d6f84c7f SHA-256: 6211b94d88cd3c68ca5aa9318628e1b5bff96c44438738350a8b4086d0ddc924

208 Risk Score

Malware Insights

Pdf.Dropper.Agent-7266049-0 · confidence 95%

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains embedded JavaScript that utilizes eval() and string concatenation to obfuscate its functionality. Heuristics indicate this is a known exploit cluster associated with PDF JavaScript exploits. The ClamAV detection name 'Pdf.Dropper.Agent-7266049-0' strongly suggests its purpose is to drop and execute additional malware. The ML classifier also flagged it with very high confidence.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

PDF JavaScript exploit cluster critical PDF_JS_EXPLOIT_CLUSTER

PDF combines an executable JavaScript/action surface with exploit staging indicators such as eval/unescape/fromCharCode, XFA script content, or a related CVE pattern. Benign form JavaScript remains low-severity, but this correlated cluster is high-confidence malicious behavior.
ClamAV: Pdf.Dropper.Agent-7266049-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7266049-0
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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.
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_000.js` `27e45502fc5a3f7386bb77b49d0f6f1fcfd7918d506e3d0f4202101493513f89`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	9464 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 6 long base64-like blob(s).

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