PDF malware analysis — malicious · c6a407726ff1cd60

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 81eb8577be4972308774c3799594e7ca SHA-1: 6736867923d563002ccc8c6e8f53fbd188e108a6 SHA-256: c6a407726ff1cd60f8993f7d1e04730fe91049349ef973f0e224262ee3a4de2d

98 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This vulnerability allows for the execution of arbitrary code when the PDF is opened. An embedded script payload was also detected, further indicating malicious intent. The exploit targets a known vulnerability in PDF rendering, likely to deliver a secondary 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` `bac74dcc0527992c093b9a139e44b93fa7bbb3e2802b36414fa6f0c518b1b995`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9839 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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