PDF malware analysis — malicious · 67a7afa17e766cf6

MALICIOUS

PDF

90.3 KB

MD5: 9cb23878561a620a5314ac04427309c2 SHA-1: 13b6c3ee7c359893ce7456b86af703413a07fd66 SHA-256: 67a7afa17e766cf67901f3138070a8005b514726138667e49858c4f74975fe5d

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 by an ML classifier and contains heuristics indicating the use of CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component. This exploit is designed to execute arbitrary code, likely to download and run a secondary payload. No specific family could be identified, but the exploit vector is clear.

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` `ee50661b7d652d565277b46c72f20c6a5764f3ee19714e23837f8c6a017de2c5`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	91749 bytes

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