PDF malware analysis — malicious · 5a0dd9515d040961

MALICIOUS

PDF

29.8 KB

MD5: 709d727612aa6e0000d4cba88a2d9a2c SHA-1: 4db5d844bc878be7116256011b1d26ba66d1220c SHA-256: 5a0dd9515d040961eaafd6ebc14a4a04aea47471444d27fa6a16b77300e4e0e0

82 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1559.002 Component Object Model Hijacking

The PDF file exhibits multiple indicators of malicious intent, including embedded JavaScript and a RichMedia (Flash) object. The presence of 'test.swf' and 'javascript_obj0006_000.js' as embedded artifacts strongly suggests an attempt to execute code or exploit vulnerabilities. The JavaScript stream, though obfuscated, likely contributes to the overall malicious functionality, potentially downloading further payloads or establishing a connection.

Heuristics 8

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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
`test.swf` `4d4d42d908c48737d0cbe1f33c14f197803950e6ff47f9c0f13e1d51a231494d`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x8C8	53991 bytes
`javascript_obj0006_000.js` `8483c12569e759d4dde31dda283e816729d9b6965c7b8681669d8716d4943eb8`	pdf-javascript-stream	PDF /JS object 6 at offset 0x106	11498 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 239 eval/decoder/string-building token(s).

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