PDF malware analysis — malicious · 8713822dcea0535e

MALICIOUS

PDF

99.8 KB

MD5: 8d298e06c8223f40660e5c171526929d SHA-1: d3c469a09f09cc582f5b0a39449d59a6bce3e8a2 SHA-256: 8713822dcea0535e47bfe03d80159b489a5df32bf6b78412a8713da65d458767

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

This PDF file is identified as malicious due to the presence of the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. The exploit is embedded within the XFA payload, indicating an attempt to achieve arbitrary code execution upon opening the document. While no specific URLs or scripts were directly extracted for payload delivery, the nature of the exploit strongly suggests it's designed to download and execute a secondary malicious component, likely delivered via spearphishing.

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` `eeb5bc25deb44f8324975328c0b25b3300d64af65ff4e8e17b2d3b76321c3fa3`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	101423 bytes

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