PDF malware analysis — malicious · a672b6ba22f716b6

MALICIOUS

PDF

45.0 KB

MD5: 11d9caf7e7209d8dcf3c3ff38828c017 SHA-1: d2bec78b7b3e2f1714b435a5390dbc12211e253d SHA-256: a672b6ba22f716b6d804f1b00a294a7a446fd6f7ffc9511f974c8c6ca5e97fa1

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it as Heuristics.PDF.ObfuscatedNameObject. The embedded JavaScript, named javascript_obj0012_000.js, is likely responsible for downloading and executing a secondary payload. The XFA form heuristic suggests a more complex document structure, potentially used to hide malicious content.

Heuristics 5

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0012_000.js` `4102a7eea8e3d1b773b511bc8fb6e72fcdd7c1804b016710afb3eda71e8c4586`	pdf-javascript-stream	PDF /JS object 12 at offset 0xA1DE	3447 bytes

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