PDF malware analysis — malicious · 8a14ae078303c608

MALICIOUS

PDF

7.2 KB

MD5: 6fb0515ebebb031b045db53d420e2f7b SHA-1: 89c504784427dbbbdabf5068adb3abc390116e0e SHA-256: 8a14ae078303c608505bdd025ebf4b7e470043c48dbfd2e17c746e0bfb05cd5e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious JavaScript

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The presence of `unescape()` and JavaScript streams, along with an embedded SWF file named 'exploit.swf', strongly suggests the execution of malicious code. The JavaScript appears to be obfuscated, making its exact function difficult to determine, but it is likely designed to download and execute a second-stage payload.

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
`exploit.swf` `49b04eca9be01c285a55c8ebf6d33b686ebd88925f5f524951dc74928b300173`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D5	3764 bytes
`javascript_obj0017_000.js` `8eca89d8ba6e05341cab405be7afbaad22ca6cec35b6077639ff64105a9887c8`	pdf-javascript-stream	PDF /JS object 17 at offset 0x143D	1674 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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