PDF malware analysis — malicious · 6076b84d19b589ba

MALICIOUS

PDF

78.7 KB

MD5: 16f36ff0359dfd3eef7d1fc15c53f103 SHA-1: 1ecd6bb9c43280f8bf89b57fd308990c7a073659 SHA-256: 6076b84d19b589ba6ef0df6a70ea0e2afa80f709fd06b69c16df0b54162e4bac

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 critical CVE-2010-0188 heuristic, indicating an exploit targeting Adobe Reader's LibTIFF component. The presence of an embedded script payload and an embedded file further supports its malicious nature. The exploit likely facilitates the execution of a secondary payload, a common tactic for malware delivery.

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` `1de820a4550a17dbb5b34f1585dadd7e6a20f268e3a4d1fcaaeb45ad8118a665`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	79846 bytes

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