PDF malware analysis — malicious · 7f9b7c7e69bb543e

MALICIOUS

PDF

4.1 KB

MD5: d01ec1ef58a127c4983e94ca189e2125 SHA-1: 37f34a675a2c068814b14a12890a996a760a926b SHA-256: 7f9b7c7e69bb543e8abcf9af65a0ea61d08b3182d304a3be7da6bbeb00c3710d

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is known to download and execute arbitrary code, indicating a high likelihood of further malicious activity. The ML classifier also strongly flagged this PDF as malicious.

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` `479386ef3ea1b3efaa6f2d541e0b4f9b1fcb62dd51805e9bbe52c042f32111f0`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12896 bytes

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