PDF malware analysis — malicious · 94a23c758b4c3259

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 05a7fb3c8d234432779b959ce864999f SHA-1: 5c953f6a7f6af39bd7dfacc75d984b9f2d0f907a SHA-256: 94a23c758b4c3259f821f55d623d42a1d693eb666090b499d1c1fd86d78fe36f

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit allows for arbitrary code execution, indicating the file's purpose is to compromise the user's system. The embedded file 'embedded_file_obj0041.bin' is likely the secondary payload. No specific malware family was identified.

Heuristics 5

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
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `5a0cb70c839bf42358abfed7e1c99da4b59dd01665212d599613479305cf81be`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9871 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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