PDF malware analysis — malicious · dd989ac3e211b495

MALICIOUS

PDF

4.2 KB

MD5: 2a9f04fd22f445c97f4d143cf6cd0ab4 SHA-1: 6ad3d42729ed83965bde9e42b53d4c7e236d8910 SHA-256: dd989ac3e211b4952fbd25028967ba234a47ef7bd7ecd7a32f9f14162fb9cac9

128 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The critical heuristic firing for CVE-2010-0188 indicates that this PDF document is designed to exploit a known vulnerability in Adobe Reader. The embedded file and script payload heuristics further suggest that the exploit is used to deliver and execute additional malicious content. The ML classifier strongly supports the malicious nature of this file.

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` `36acba0f253c1018a426b9166f9a16ca7d523a13bc51d0c8fe59f470bf7654ad`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12883 bytes

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