PDF malware analysis — malicious · 32e4170f2e1d9bbc

MALICIOUS

PDF

5.1 KB

MD5: 78239760a6324c5c840760b1580da234 SHA-1: 0277c026d9f2a9839ef6c754d10370a165ff4de6 SHA-256: 32e4170f2e1d9bbcf393d9415d5ac16525edff2155194eb8e7e3165ebfed705e

66 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF document contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The PDF_EVAL and PDF_FROMCHARCODE firings suggest that the JavaScript is obfuscated and uses eval() to execute code, a common technique for downloading and running additional payloads. The extracted file 'javascript_obj68017_000.js' is flagged as a suspicious artifact. The obfuscated nature of the script prevents a more detailed analysis of its specific actions or a confident family attribution.

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_obj68017_000.js` `81556ed2be4072936d15d71552c869cf0c40077b1b99b410bb9dcb2102ad9d46`	pdf-javascript-stream	PDF /JS object 68017 at offset 0x136	8346 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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