PDF malware analysis — malicious · b6fb83e9fb55add6

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 23146bf35031200d4c61d44cac33b556 SHA-1: 6902239c17bc8f93fd111eb43872e6de9ec64caf SHA-256: b6fb83e9fb55add6cdd571e63493920977e36da5be0c950fe5d8ce5cca8d05ca

100 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 is designed to achieve arbitrary code execution. An embedded script payload was also detected, suggesting the document's primary purpose is to download and execute a secondary stage. The specific nature of the secondary payload could not be determined from the available evidence.

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` `9adb134fe7110c24729e750e777ba2036002d6e4c69ccb4ed9b8a9c48da51603`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9798 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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