PDF malware analysis — malicious · 0805bcfa4c9fe22e

MALICIOUS

PDF

99.6 KB

MD5: e1d0cd29a481807125ecafa67460c366 SHA-1: 5f68ca007e276d40082ca7b04e870067cee47604 SHA-256: 0805bcfa4c9fe22e3472f18cfffb98ba4f9a34b8e143ab5bbf119814c3efa730

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The sample is a PDF file identified as malicious, exploiting CVE-2010-0188 via XFA forms. This exploit is designed to achieve code execution on the victim's machine. While no specific malicious URLs were extracted, the presence of an embedded exploit payload and the critical heuristic firing strongly suggest the document's purpose is to compromise the user's system, likely by downloading and executing a second-stage payload.

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` `5d24e857b8b8580d2cda1079ab8afdd615bb5237a0b0cc99af9be64951f4a598`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	101240 bytes

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