PDF malware analysis — malicious · e3ff222e0deeba3f

MALICIOUS

PDF

3.9 KB

MD5: 04ef5d1b7ff3f4d241626b7694ecc8bf SHA-1: 2f3383901e708a8690e5ea2b9faac566a96ea823 SHA-256: e3ff222e0deeba3fd7e0ad358ca4fb8497b19d617bf62deb67d3c2a535b687ca

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The JavaScript stream uses unescape() and appears to be obfuscated, suggesting it's designed to download and execute a secondary payload. The presence of 'exploit.swf' in the document body further supports this attack vector.

Heuristics 6

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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.
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0014.bin` `17693f906258d892ea1f7f54f04d5409181f4328be73b1675ef65f0ec85f469b`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D1	394 bytes
`javascript_obj0017_000.js` `6c4c288717ee189d0486a6e20d81fed107bcca7186d05954b3bdc069be8b026f`	pdf-javascript-stream	PDF /JS object 17 at offset 0x70F	1659 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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