PDF malware analysis — malicious · ed30f69657c7d014

MALICIOUS

PDF

12.4 KB Created: 2010-08-01 04:20:19 Authoring application: daceWis muleDoc

MD5: 10517c11549f8f3d4a052efd7658c38b SHA-1: 62714968c357a174e4fbb8ca587242363f680124 SHA-256: ed30f69657c7d01415baa313ab9a42e616153a3cb686b77865cb4f659317ab60

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1190 Exploit Public-Facing Application

The PDF file contains a critical heuristic firing for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the document is designed to exploit this vulnerability upon opening. The presence of embedded script payloads and multiple embedded files further supports the malicious intent, likely for downloading and executing a secondary stage payload. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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 7

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x17AB	84 bytes
`embedded_file_obj0009.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x185C	228 bytes
`embedded_file_obj0010.bin` `4e950c690855c03b8bda645ac16844fd858e68cba99a6f8c20b98074ca8a7c30`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x194D	1126 bytes
`embedded_file_obj0011.bin` `c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x1C0E	199 bytes
`embedded_file_obj0012.bin` `77e186c5672921e162b420aacd252d5e5c29da5755239e74bb07e03c19b0c678`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x1D01	54876 bytes
`embedded_file_obj0013.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0x2AFC	77 bytes
`embedded_file_obj0014.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x2BA3	56 bytes

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