PDF malware analysis — malicious · cd230c86997d5b40

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 9e9f4c8f762c49acf315cb66d589e444 SHA-1: e718066440c0b0567471c37317825cc9e0992676 SHA-256: cd230c86997d5b40baf40d1c588ac7f4ba4dd997c21d77dc5a81f717c61df422

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This vulnerability allows for arbitrary code execution, likely to download and execute a second-stage payload. The embedded file 'embedded_file_obj0041.bin' is a suspicious artifact associated with the exploit.

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` `3f778a3b176d4c02e0537400f1f4aee616410f41cb173d8962589b3f82cc2634`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	10059 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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