PDF malware analysis — malicious · 39d03f13dde639f6

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 7468196e10a71ee7123f05d2ef5cb555 SHA-1: 08a815cddbfeddad8d83820acbc064fefca7c1a6 SHA-256: 39d03f13dde639f674a3e302b07ae82faecb20da46a823b1f558b117c4046600

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF sample contains a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit this vulnerability for client-side execution. An embedded script payload was also detected, suggesting a downloader or dropper functionality. The extracted embedded file, embedded_file_obj0041.bin, is likely the second-stage 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` `4167e511f69a5667045e6cc8919912a8a088a138d1858cd1c60e34f5d04f8250`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9789 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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