PDF malware analysis — malicious · 7a12a4943e8fa626

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 0539c842b6446881ac1e5ca6081e4b3f SHA-1: cc016bcb8a88e56b4ab2221960e006723ce513b3 SHA-256: 7a12a4943e8fa62639dece892d4e2b834a24692fbedd839840049ed5fcb74106

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to decompress and execute a payload. The embedded artifact 'embedded_file_obj0041.bin' is likely the secondary payload. The attack pattern suggests a downloader aiming to compromise the user's system.

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` `18d890a0c475fcbdcc455204a322ddb50a33e974ce30f2721afaa18f622caf1e`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9803 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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