PDF malware analysis — malicious · 592d74fd30217dec

MALICIOUS

PDF

5.2 KB Created: 2011-06-11 17:19:01 Authoring application: Uc4J

MD5: f862a4fe215192f67fbe22a211e98e8f SHA-1: 718b653cda8614d522979b3a50b3a6cb4853d7d6 SHA-256: 592d74fd30217dec55d8860e94f4e8afe4fecb22f6b2263b3834bb0baa407746

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment T1059.001 Command and Scripting Interpreter: PowerShell

This PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA images. The exploit targets a decompressed XFA payload, which is identified as a JavaScript file. This script is likely responsible for downloading and executing a second-stage payload, although its specific actions are not fully detailed due to obfuscation. The file's structure and the exploit identified strongly suggest a malicious intent to compromise the user's system.

Heuristics 6

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
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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
`stream_001_off00000307.js` `9932c3fdb5d73b263943813a2e08b75cc757fdebbd22b87cd56d87dec46f1ed9`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x307	64593 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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