PDF malware analysis — malicious · 8045456120ebc2a1

MALICIOUS

PDF

3.8 KB Authoring application: rxode (via va)

MD5: a94c2b683bd0a899f33389410509e588 SHA-1: 37a1d38a251d30a1e0197159f4f2d859e3d02596 SHA-256: 8045456120ebc2a1fe5bcbb27299cb295a8515f025ebe6d62d7bb95d769d8fb0

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The PDF document exploits the CVE-2010-0188 vulnerability in Adobe Reader, specifically targeting the LibTIFF component within XFA forms. This exploit allows for the execution of arbitrary code, indicated by the critical heuristic firing. The embedded file and script payload further support the malicious intent of this document, likely serving as a dropper for further malicious activity.

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` `3e942f1fd854aa7e21690d7d6223850208fd380c0b9dd7a9107f24e62dd54dcd`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9560 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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