PDF malware analysis — malicious · 3080e34d722af32c

MALICIOUS

PDF

2.2 KB

MD5: a55a6cba846e088a25eebb99a281d5d0 SHA-1: 5b9735bf03e18e6c958bfc9f9780bf4efb825934 SHA-256: 3080e34d722af32cba66713cb46eb37a93acb9c3bed734d5f5af0c9bca9e28af

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 Scripting: JavaScript

This PDF file contains embedded JavaScript, which is obfuscated using eval() and unescape() calls. The JavaScript is likely intended to download and execute a second-stage payload. The heuristics indicate suspicious script obfuscation and the presence of a JavaScript object. Due to the obfuscation, the exact payload and delivery mechanism cannot be confidently determined.

Heuristics 5

eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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` `92e3fd46520fe2c48ad5df735bc120c792cd3ed761e1eb80eb6bd5dc6e46fd6b`	pdf-javascript-stream	PDF /JS object 7 at offset 0x2A5	1243 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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