PDF malware analysis — malicious · d9cec2f711e26f9b

MALICIOUS

PDF

8.4 KB Created: 2009-12-17 16:59:10 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: d678cccb3d39da3928f9293b8bd37442 SHA-1: 996cfb1dbf1303df17e2a8b85106214f1af20e28 SHA-256: d9cec2f711e26f9b481791622ef71ed100a2df571b9dbcc7b4be8874953c7505

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of PDF_EVAL and PDF_UNESCAPE suggests that the JavaScript code is obfuscated and likely designed to execute arbitrary commands. The extracted artifact 'javascript_obj0021_000.js' is a strong indicator of malicious intent. The script's purpose is inferred to be the download and execution of a second-stage payload, a common technique for malware delivery.

Heuristics 5

eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (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_obj0021_000.js` `db057a682598d5b9c8e9a72996f2823f57f2c85bd3475dab3e94eb7cc03dd889`	pdf-javascript-stream	PDF /JS object 21 at offset 0x1883	5005 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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