PDF malware analysis — malicious · 9fc94fd43a124d4f

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: 891717d88ef28d5146d35e75d24f84bd SHA-1: d96967ad7475399de3e286fb5af8cca92a86346d SHA-256: 9fc94fd43a124d4f00ab6fefa595485d4347cc4f3131c3751d9c1a975b4ad046

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF sample contains an embedded file and triggers a critical heuristic for the CVE-2010-0188 exploit, which targets Adobe Reader's LibTIFF component via XFA forms. This indicates the document is designed to exploit this specific vulnerability to execute a malicious payload. The embedded file is likely the secondary stage of the attack.

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` `1e1fb7755582063325ff179020b38c0a6a3b117bf287535afa4a366055c549b1`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9809 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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