PDF malware analysis — malicious · 27186548b59b74d9

MALICIOUS

PDF

4.1 KB

MD5: eed19c2dc46a39bbf8f315bd5c270789 SHA-1: 587f56d0c761e69792c6672ad19ab928f00f360b SHA-256: 27186548b59b74d94059de1802fe67ef8a8e3590aea0fcdfe4a658c583b8e41f

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an embedded object and triggers a critical heuristic for the CVE-2010-0188 exploit in Adobe Reader. This indicates the document is designed to leverage this vulnerability to deliver a malicious payload. The ML classifier strongly supports the malicious nature of the 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` `a6485ab62f072e7cc040b662c3cf97171084890250a010e86a89368d0e6946a4`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12767 bytes

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