PDF malware analysis — malicious · 9bf86404ebae2aa7

MALICIOUS

PDF

4.1 KB

MD5: e162d14a80c16c100458ed146ce4de71 SHA-1: f9f46c8d0cfc33941bc7d507c0c3f4a845e8b334 SHA-256: 9bf86404ebae2aa7c66b4376b2299bd8f2deeb4e67949e6bf3f240e5fafb41db

128 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded object and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. The embedded script payload further suggests the execution of malicious code. The ML classifier strongly flags this PDF as malicious. The primary attack vector appears to be exploiting this known vulnerability to deliver a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `3e1b2d362f9da37d71212d9b61cde6ff35fc255e0eb762bbd05bc50ae78797f4`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12861 bytes

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