PDF malware analysis — malicious · 3b9fb66cc25c29aa

MALICIOUS

PDF

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

MD5: 901bfde25151d1c95143eaca8d68fbc1 SHA-1: 2314a4f839aac3de543146c5f1d0ae6acb9b766d SHA-256: 3b9fb66cc25c29aa0ded5a58e0f230299a6bf14c91bd1e451744d5810a29ba76

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF document contains an embedded JavaScript payload that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This vulnerability allows for arbitrary code execution. The extracted JavaScript file, stream_002_off00000321.js, is likely responsible for delivering the malicious payload. The document body itself does not contain user-facing content but rather internal PDF structure information.

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_off00000321.js` `483300441599eab6bd4bc08d3ddf67cc80f557664e1684aad134bcbb30bfa961`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x321	52333 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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