PDF malware analysis — malicious · 8d64e48aaf0fad1a

MALICIOUS

PDF

5.0 KB

MD5: c95a64cb1e9bd35c3b9457dc0fed76c3 SHA-1: baf33cff30b99fb5a43a3dcb9d5ca8f933db1a0a SHA-256: 8d64e48aaf0fad1ad1b83f9a8d658152dd85854e125d3b88cd4c7dc08a7bbc2f

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 embedded JavaScript stream, named 'javascript_obj0017_000.js', and the embedded SWF file 'exploit.swf' are suspicious. The JavaScript uses unescape() and appears to be obfuscated, suggesting it's designed to download and execute a secondary payload. The presence of these elements strongly suggests a malicious intent to compromise the user's system.

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` `67e0ad585ba5e6fb6cf568fde470725451fbb8c88848839093a9fa68e1f6e849`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D4	1576 bytes
`javascript_obj0017_000.js` `6c4c288717ee189d0486a6e20d81fed107bcca7186d05954b3bdc069be8b026f`	pdf-javascript-stream	PDF /JS object 17 at offset 0xBB0	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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