PDF malware analysis — malicious · 8225c3ee697231d4

MALICIOUS

PDF

4.2 KB

MD5: ccd54a73a88ff744b1d87f05c8a55fa0 SHA-1: 62b792ed17c558d988aee8e36f5560116e1afc10 SHA-256: 8225c3ee697231d4cd17c1714aa588588a6c1aaebf6ca80133900f29bf4af964

126 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's handling of TIFF images within XFA forms. This exploit allows for arbitrary code execution. The ML classifier strongly indicates malicious intent. No document body text was available for analysis, but the exploit and embedded script are sufficient indicators of malicious activity.

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` `bfb9ee5d1eefc4cd356a91c69482bd0546e5bc1d0efda24a6b3f096552108e4c`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12864 bytes

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