PDF malware analysis — malicious · 01de28263d860589

MALICIOUS

PDF

100.0 KB

MD5: 3e929f6093a6e479e976ee305f533ebc SHA-1: 8ff96123311673690e7e6bd87d3fc92f86065942 SHA-256: 01de28263d860589439e8e83d37d802eb0e0d99842d5d8a3821a83e6e089fe0f

128 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 an exploit for CVE-2010-0188, targeting Adobe Reader's handling of 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 exploit itself is the primary indicator of malicious intent, likely leading to the download and execution of a secondary stage.

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 script payload in PDF stream medium 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 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 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` `43b229a1daa9d5badf89fe832e72e38be396480d54a69ccf340779fb2cafadf3`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	101628 bytes

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