PDF malware analysis — malicious · cf78a73469098909

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 37a1639196b314140918c4f24187d7c1 SHA-1: 3e3b34b74fc6b9dc46e32e0188d816e9c9caa9a3 SHA-256: cf78a7346909890989f2d5fccee2b00199fa5e8429f69f27ffc0bf9f4559c0eb

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded script payload and exploits CVE-2010-0188, a known vulnerability in Adobe Reader's handling of XFA forms. This indicates the document is designed to deliver a secondary payload upon opening. The embedded file 'embedded_file_obj0041.bin' is likely the delivered 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` `df3d7e694167804dfae48fa66488a826bbb5e9b8d81dafbfa9a20937b4c53374`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9788 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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