PDF malware analysis — malicious · 073048ea2b9a29f3

MALICIOUS

PDF

99.9 KB

MD5: 5a51b9638b43245badd5700a3f20c00a SHA-1: d0a7a943719f7cbe3042a3a12a6834d7148c82c9 SHA-256: 073048ea2b9a29f343cff36400a6e54e91cca1d0fa076353d2b6980374bb962c

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF document identified as malicious by an ML classifier. It contains an XFA form and is flagged for exploiting CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF component. This exploit likely facilitates the execution of embedded JavaScript, which is often used to download and run additional malicious content. No specific malware family could be identified.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
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
Embedded script payload in PDF stream low PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `0beb4c41cba610d8cb120b542e2e1ea44d7d82c5111e30a149e612b5e0b49108`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	101499 bytes

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