PDF malware analysis — malicious · d204a1fd0a3be4f4

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 1d6c73eb9efe11e329a2ea5de82ce85d SHA-1: de43d6f57222c800e39d15bb01744b4fb3060eae SHA-256: d204a1fd0a3be4f4d02de0342d4afd38721f4e11fe4d8e0fc0474b1720e35622

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

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. The embedded file 'embedded_file_obj0041.bin' is likely the second-stage payload. The document body appears to be corrupted or non-standard, providing no direct user-facing lure.

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` `152045bfb1869441b5fb0890f8ccf4eaaff60d89624d44f52d448d0db5559a33`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9876 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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