PDF malware analysis — malicious · be0ac2162ffd488a

MALICIOUS

PDF

29.8 KB

MD5: 7a01348266b80d0b57dcb4b75d9fa1c7 SHA-1: 570206fdccf0ee58d6fbd901a6ca56a35958f14a SHA-256: be0ac2162ffd488aa94f0dcdebf2fe363e1b6dd8eb7b8724bb18ef66990c2e68

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 the PDF_JAVASCRIPT, PDF_JS, and PDF_RICHMEDIA heuristics. The embedded JavaScript stream (javascript_obj0006_000.js) and the Flash object (hJzrcNRhacMbB.swf) are suspicious artifacts. The unescape() call in the JavaScript suggests obfuscation, commonly used to hide malicious code that likely downloads and executes a second-stage 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
`hJzrcNRhacMbB.swf` `767382813fc770c9716554c3266b22eee1636037ca964af05acf6ff66db4a27d`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0xC52	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` `89467780eef2b4a7722bef84e1fd5ddae14b1fc13aceba0ecf98ea371d665522`	pdf-javascript-stream	PDF /JS object 6 at offset 0xF9	2048 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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