PDF malware analysis — malicious · 612e115baa95ed9d

MALICIOUS

PDF

99.8 KB

MD5: 2f6985c6ddb2d84833c818a28d4b47a2 SHA-1: 2192d4d5bc7c75688f3653b641991ed0853bf6b4 SHA-256: 612e115baa95ed9d0aa1ae4ce5038fc8c18ff0e5b773adb64ff8812fff2f6524

116 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and LibTIFF processing. This exploit likely leads to the execution of a malicious payload. The presence of embedded scripts and the ML classifier's high confidence further support the malicious nature of this file, suggesting it's delivered as a spearphishing attachment.

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` `16f22d8a237ab67eb77bfbced931d9626d2ce70024118fd81e913cd1d5e5b82a`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	101442 bytes

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