PDF malware analysis — malicious · eea687390ac4300a

MALICIOUS

PDF

4.2 KB

MD5: 35dce06a56bb5e6257f2d7260fe5792d SHA-1: 9137bd274abce9b254e2f11f9872cf8f52d72142 SHA-256: eea687390ac4300acd48d382052c8888cff0f6a8c1d0a127f62a561c82b62661

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF sample contains heuristics indicating it exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. An embedded script payload was also detected, suggesting the exploit is used to download and execute a secondary malicious payload. The ML classifier strongly flags 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` `9116d817000b8f3ee3e9bc961d41ec4541f845449d20cf08f0f110c02847476c`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12911 bytes

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