PDF malware analysis — malicious · 9c723cb563b105a6

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 4e1a86fab51ae74cbd0868a31e28f2f4 SHA-1: 98f460782752d32c43ba45a8b2efcf8ddd4f4637 SHA-256: 9c723cb563b105a658959e739d817a62053de0e7198c4f38433aa985513a4057

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 primary purpose is to compromise the user's system. The embedded script payload further suggests the execution of malicious code, likely to download and run a secondary payload.

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` `6b71c07788fa4b88c5a9ca61183009592f2f4c437ed3cc7b3f9e0797b268c63c`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9818 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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