PDF malware analysis — malicious · c2fe6e970a0d398c

MALICIOUS

PDF

70.1 KB

MD5: 912b3a8e3957823c5c36f077fc771a5a SHA-1: f7e210815cd01d3c4fb1311f2a8fe4574386f5ae SHA-256: c2fe6e970a0d398cbe5d217d3b0148ff4637668771ca754d0bcb59e3966f06fc

66 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of PDF_EVAL and PDF_FROMCHARCODE rules, along with obfuscation indicators in the extracted artifact 'javascript_obj0006_000.js', suggests that the script is designed to execute arbitrary code. The script's likely intent is to download and execute a second-stage payload from a remote source, although the specific URL or execution method could not be fully reconstructed due to obfuscation.

Heuristics 5

eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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.
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_obj0006_000.js` `fed970156d89186c23ea2c4f46a33c43bb192c03167255e3a72ec594e3fa79fd`	pdf-javascript-stream	PDF /JS object 6 at offset 0x12D	71207 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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