PDF malware analysis — malicious · e580d61cca1b6539

MALICIOUS

PDF

19.4 KB

MD5: c2f03fb26f91f20887d0755d3b6cebc9 SHA-1: 570cf005327c79bce7cbee971d0134b9335c8d71 SHA-256: e580d61cca1b6539ff526429464bd7e5fffc939c41bee4a2677128545fd3fdc9

108 Risk Score

Malware Insights

The PDF was flagged as malicious by ML classifiers and ClamAV, specifically identified as Pdf.Dropper.Agent-7316890-0. Static analysis revealed embedded JavaScript, indicating an attempt to execute code. The presence of a long encoded blob and a suspicious extracted JavaScript file (javascript_obj0008_000.js) further supports that this PDF is designed to drop or execute a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Dropper.Agent-7316890-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7316890-0
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_obj0008_000.js` `a8353f89f822b65470dbbcfbdea5892a00829273b68ff89a5e3d414e5d8700d8`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1E7	19115 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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