PDF malware analysis — malicious · 28464bcddbbec930

MALICIOUS

PDF

7.7 KB Created: 2009-03-12 15:44:55 Authoring application: euk3vRA (via LPMrmv)

MD5: 12562af77a3329c70bc0908a44dc8146 SHA-1: 68a671d683a05d9750367b439856993707cb6a47 SHA-256: 28464bcddbbec930646e82d4b2bfb1919762979bfa40b269a70ab9b490b61743

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript with an eval() call, strongly indicating malicious intent. Static analysis identified this as a Pdf.Dropper.Agent-7241885-0, a known dropper. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for malware delivery. The ML classifier also returned a high probability of maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7241885-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7241885-0
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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_obj0007_000.js` `243690b5d300fa76049c7fad2c3929dc4f29cb9b02cab00f8e9f77154f3c0124`	pdf-javascript-stream	PDF /JS object 7 at offset 0x23E	6545 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.