PDF malware analysis — malicious · bf8ae9d7dfca23eb

MALICIOUS

PDF

11.0 KB

MD5: 30ba75e57cf54e2ee6a2b17921b53f3f SHA-1: 764524e33509178fd083af15090d25351a63c788 SHA-256: bf8ae9d7dfca23ebf3cf5104bad447e58381768b7fe33d56d1ff3f4c77c62b86

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 high-confidence heuristics for PDF_RICHMEDIA, PDF_EVAL, and PDF_JAVASCRIPT, along with the extracted JavaScript file, strongly suggest that the sample is designed to execute arbitrary code. The JavaScript appears obfuscated, but the presence of `eval()` calls and embedded files points to a downloader or exploit loader. The `exploit.swf` string in the document body further reinforces the exploit-based nature of this file.

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 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` `8790b2ba8b7eb26ceaad8ea4315a2d762782bb2b0c0f401a349799eff73aa43a`	pdf-javascript-stream	PDF /JS object 17 at offset 0x5EB	5593 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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