PDF malware analysis — malicious · fc4d145aa4e0b489

MALICIOUS

PDF

5.3 KB Created: 2004-05-02 19:56:00 Authoring application: e

MD5: 6f63783347228accb3bddfd51bdb7ddd SHA-1: 50a06760cec43ae5ca41d7e3177f6106f71a4cfa SHA-256: fc4d145aa4e0b489e9a8fce3484dae4f5a4b39a62d0605678c5c08e6827a4308

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1059 Command and Scripting Interpreter T1059.003 Command and Scripting Interpreter: Windows Command Shell T1059.007 Command and Scripting Interpreter: JavaScript/JScript

The PDF file contains an embedded JavaScript payload that is triggered by the CVE-2010-0188 exploit, targeting Adobe Reader. The heuristic 'CVE_2010_0188' directly indicates the exploitation of this vulnerability. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload. The document body text appears to be boilerplate related to PDF creation and does not provide further context on the lure.

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_002_off00000355.js` `888d2b60ea61f7a463823e0c1cb289a4a7bb3cc53a819efc4d9853c101e050ee`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x355	61360 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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