PDF malware analysis — malicious · 96d063708cd376ed

MALICIOUS

PDF

6.6 KB

MD5: b08d0b35b2e03944f631c89b11440711 SHA-1: eba2d164cdfd7b89f47c007b7a6647bfa7d7fdb9 SHA-256: 96d063708cd376edc8a3451d59918d9542b812e8b223a7d19ac95e9be96fdae4

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The embedded JavaScript stream, named 'javascript_obj0017_000.js', contains obfuscated code with eval() calls, strongly suggesting it's designed to download and execute a secondary payload. The presence of an embedded SWF file ('exploit.swf') further supports the exploit vector. The obfuscated nature of the script and the lack of specific indicators prevent confident family attribution.

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
`exploit.swf` `09da31fcb002129249bb529a7f84709739a96f62781db5f4c6d9bf6e4308eb15`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D1	102 bytes
`javascript_obj0017_000.js` `69f9ce7f0ee7f5dcf9fec54fce645c5a14f021cfd69cd6d3bd9db7461daef59b`	pdf-javascript-stream	PDF /JS object 17 at offset 0x5EB	3313 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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