PDF malware analysis — malicious · e8752a3d451bada8

MALICIOUS

PDF

4.2 KB Created: 2008-31-20 53:85:00 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: d6074e212ca35a221b6cc94c6465919d SHA-1: afab6d2c51090d1b5d806e436bf76195391095ef SHA-256: e8752a3d451bada8edb93a2c63f6557d38acece1db88c88bc77869227221128b

66 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of a PDF_EVAL heuristic firing and the use of String.fromCharCode suggest that the JavaScript is obfuscated and likely intended to execute arbitrary code. The extracted artifact 'javascript_obj0013_001.js' further supports the presence of malicious script content. This script is likely designed to download and execute a second-stage payload, contributing to the overall malicious nature of the document.

Heuristics 5

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.
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape rules. (matched inside decoded stream)
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_obj0013_001.js` `1de5cdfda80ccf7e42b4d126b6882fa8dfa52a0ce4d31fe459bc566c8cbe794d`	pdf-javascript-stream	PDF /JS object 13 at offset 0x3D2	12777 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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