PDF malware analysis — malicious · 3f886b4860461253

MALICIOUS

PDF

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

MD5: f6463664eba400de0ac3ec831f84b427 SHA-1: dc12ce8f6191876a5a2acc329f19ceff91a6cb7b SHA-256: 3f886b4860461253eda580e1ba0385b8d42d084a6441b92b9ac2e5154b106fc0

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059.001 PowerShell

The PDF document contains an embedded JavaScript file that is likely intended to exploit CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image parsing. The embedded script is decompressed from a PDF stream and is the primary indicator of malicious activity. The document body is minimal and appears to be boilerplate text related to PDF creation, offering no contextual clues about the attack's intent beyond the exploit itself.

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_off00000328.js` `0b38114349bf4015acdff0ddc4f06a3ed0de1cbaa437e7312932c8b203cc67dc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x328	61786 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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