PDF malware analysis — malicious · 8a0841a95f07e2fa

MALICIOUS

PDF

4.2 KB

MD5: 33d2576e7b28c7e3e153f4a460340af3 SHA-1: e429309f8e2e304216d08d90f668aead652049ca SHA-256: 8a0841a95f07e2fa6dfc3996063a59e998cda9b194d010a498edf2b51c190327

126 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The critical heuristic firing for CVE-2010-0188 indicates that this PDF exploits a known vulnerability in Adobe Reader. The embedded script payload further suggests that the exploit is used to download and execute additional malicious content. The ML classifier strongly supports a malicious verdict. No specific family could be identified.

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` `9ab54001232fdc71b80a04ba7e88ab9d67462a0f300a52b33c419c597144c8c1`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12979 bytes

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