PDF malware analysis — malicious · 535e7f296a674002

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)

MD5: 0b80134023699b06d1c7fb28a92fe423 SHA-1: 29b81593dac8ce7e5e33d08069895b5794b005b3 SHA-256: 535e7f296a674002baebd8c061df01bf212320d967a27a3433250303039e6f57

98 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a secondary payload, indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. The embedded file 'embedded_file_obj0041.bin' is likely the initial stage of this payload delivery.

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` `0a096643c2d90b67400dc06d4f7c69691e8323ad6ee432260513607fd0faa741`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9807 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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