PDF malware analysis — malicious · b748372bdb14b658

MALICIOUS

PDF

30.8 KB

MD5: 6112977b9cdeaa024166a9398c1b62c3 SHA-1: 30d6a5af2fcce31e5b36d06c88cfcb81fe17e179 SHA-256: b748372bdb14b6586bb02914a6ea3c6f950ac7b249fcdbaca8af8686052c484f

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and a Flash object, indicated by PDF_JAVASCRIPT, PDF_JS, and PDF_RICHMEDIA heuristics. The PDF_EVAL heuristic suggests that the JavaScript is likely obfuscated and designed to execute arbitrary code. The embedded Flash object (waEUHOXaQoR.swf) and JavaScript stream (javascript_obj0006_000.js) are the primary artifacts, pointing towards a multi-stage attack where the PDF acts as a dropper for further malicious content.

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
`waEUHOXaQoR.swf` `54da439aa1b6c2cd82f5c9dd3b62f089f70963a649386e5cbf1c1f8076517727`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x1057	26993 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `04b4cf4ece2f3632c14d27431b8f45c1517b5bc76b0e13974707adc20af65661`	pdf-javascript-stream	PDF /JS object 6 at offset 0xF9	3083 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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