PDF malware analysis — malicious · d67aabcd8faf3046

MALICIOUS

PDF

31.4 KB

MD5: 7863ecfd759f0d71f5d646a23b59cc89 SHA-1: 0aa94ef2f78f867bafd5e07f2c8bbac6865a8c48 SHA-256: d67aabcd8faf30463de9654e46dae11258cb24639e536b7e90cbfd8caee04f86

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1559.002 Component Object Model Hijacking

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The heuristics indicate an eval() call and JavaScript actions, suggesting the embedded scripts are designed to execute arbitrary code. The extracted artifacts, including a SWF file and JavaScript files, are likely components of a multi-stage attack. The primary intent appears to be the execution of the embedded Flash object, which is a common method for delivering further malicious payloads.

Heuristics 6

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`TyPWoIJRMY.swf` `767382813fc770c9716554c3266b22eee1636037ca964af05acf6ff66db4a27d`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x125A	26993 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `a94750fee398183226e809bb3c04642c3574e8cffd42558c96b59d961101a82e`	pdf-javascript-stream	PDF /JS object 6 at offset 0xF9	3601 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_000.js` `37500d388e72e5fb54ef5c136277d831224f0497415c33b915acf0e50476b0f8`	deobfuscated-js	split-join delimiter stripped JavaScript at offset 0xDB1	2249 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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