PDF malware analysis — malicious · 59529ed0e8be3c1e

MALICIOUS

PDF

35.3 KB

MD5: 7e2457468429a6e500e03d66a8aecb15 SHA-1: c204fe3eea678ebe4b0ef7c2dbcfe726285e772f SHA-256: 59529ed0e8be3c1ebe93934339aee8664f4490a14c394a1751105e66eedc7394

102 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1559.001 Component Object Model T1204.002 Malicious File

The PDF file contains embedded JavaScript and a Flash object (Adobe.swf), indicated by multiple heuristic firings including PDF_JAVASCRIPT, PDF_JS, and PDF_RICHMEDIA. The presence of these embedded components suggests an attempt to execute malicious code or exploit vulnerabilities. The extracted JavaScript file and the Flash object are the primary indicators of malicious intent, likely serving as a dropper or exploit loader.

Heuristics 9

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape rules. (matched inside decoded stream)
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xci/2.6/
- http://www.xfa.org/schema/xfa-template/2.6/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`Adobe.swf` `8f9c84c8c00bc62ae296a81fac6640aa852ea67548abc1bd639aa0da1a1696c4`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0xEB5	27347 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `da96ad0bf10444436d018a8e3b04a8fdd7ec7f895066802cfe069b6d8642bca3`	pdf-javascript-stream	PDF /JS object 6 at offset 0x105	10632 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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