PDF malware analysis — malicious · b608b4a79d223b77

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: cb4b462b4f89fa87a839825ac313b55a SHA-1: 3f37aa430a5ca89dd004c379d4de8c067e8731b4 SHA-256: b608b4a79d223b774bf6ca07593a2740ed7f69c6aaa1abdde8c53ca9257558ab

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload. The exploit targets Adobe Reader's handling of XFA forms. 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` `e1742937d77ab99b23a240475284b1e50733f006519de454b4c917916ae533aa`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9799 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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