PDF malware analysis — malicious · f1b7b07b5d338f9f

MALICIOUS

PDF

3.6 KB

MD5: 01977e1413f706f4ca079352e96d8428 SHA-1: 65049200827279cfa1f339e323be73174c339f10 SHA-256: f1b7b07b5d338f9fcd050898a1d7574465ac6cb4b384df19bf0ab6475b304b72

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 presence of `unescape()` and JavaScript streams, along with the extracted file `javascript_obj0017_000.js`, suggests the script is designed to download and execute a secondary payload. The document body contains strings like 'exploit.swf' which may be related to the exploit or 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
`embedded_file_obj0014.bin` `09da31fcb002129249bb529a7f84709739a96f62781db5f4c6d9bf6e4308eb15`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D1	102 bytes
`javascript_obj0017_000.js` `41e7103ad1b8a8ebad46d677251280bd74e4a70333f4833478194035cce300bd`	pdf-javascript-stream	PDF /JS object 17 at offset 0x5EB	1649 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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