PDF malware analysis — malicious · 9871df0927d28479

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 4d00dc95c91e1c11eece5bfeef39a7cd SHA-1: 166074ea58eb278b93eb546fda6d8403e98d210c SHA-256: 9871df0927d28479c186f5d475b2b99aa56b26378bbcbc90fe42e79a4bac6d11

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's handling of XFA forms. This indicates the file is designed to execute arbitrary code upon opening in a vulnerable application. No specific family could be identified, but the exploit suggests a downloader or dropper.

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` `406596c084d11a6ec10887ef8678733b92e3d660e484f9d479bac982b6a92ad6`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9813 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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