PDF malware analysis — malicious · 549dec45c01ec12c

MALICIOUS

PDF

8.7 KB Created: 2009-04-01 11:53:38 Authoring application: zmRfHAfqYiezcRKqKqi (via mPbQLulKIBbo)

MD5: 346c7b83b7591bded13606b143423685 SHA-1: 6f13256e480579b43a5f8924778a4b71cae45803 SHA-256: 549dec45c01ec12c93b13d75c8b31b7791c89309ca4294cad3444bda635cdcf5

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as Pdf.Exploit.Agent-35572. Static analysis revealed embedded JavaScript, indicating an attempt to execute malicious code. The ML classifier output of 0.999973 strongly supports the malicious verdict. The embedded JavaScript is likely responsible for the exploit delivery.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
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` `8272b06871d9cfd8b4ebc4796a0941a6115fe977358061f6930ba746ee4130f8`	pdf-javascript-stream	PDF /JS object 7 at offset 0x2D7	7391 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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