PDF malware analysis — malicious · 4935d8c023de6ea1

MALICIOUS

PDF

7.9 KB Created: 2009-03-21 13:06:38 Authoring application: hNAOtg0kG (via NpCcrL5k)

MD5: d999ef5f6655d7788f7cb701e86aea86 SHA-1: 27c6a764cfd77dfb9e8ed5946264ed5096c613a1 SHA-256: 4935d8c023de6ea1a9af0aefa7e18dd5b6e4beb71c0160f99c3f907c46796742

90 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

This PDF file was flagged as malicious by an ML classifier and contains embedded JavaScript. The JavaScript stream includes an eval() call, indicating obfuscated code execution. This pattern is commonly used to download and execute further malicious payloads. The PDF structure and metadata do not provide further specific indicators, leading to an 'unknown family' classification.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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` `3b1424f153168151096a054fa79e647842d71127a4c9bbebd65289cf8fa45d3d`	pdf-javascript-stream	PDF /JS object 7 at offset 0x242	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.