PDF malware analysis — malicious · df7ed27c3f293e79

MALICIOUS

PDF

5.4 KB Created: 2012-06-11 17:19:01 Authoring application: %

MD5: 5dce330ee1c2d08df778a3ca401c8c28 SHA-1: e931248d9a0efc4c39c724587ea67aa0c978b040 SHA-256: df7ed27c3f293e79ce05bab1436ae9d839af539d60ed3fd4d47166259d5ab804

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded JavaScript payload that is triggered by the CVE-2010-0188 exploit. The extracted JavaScript file, stream_002_off00000311.js, is likely responsible for downloading and executing a second-stage payload. The XFA form and embedded file heuristics further support the exploitation of PDF vulnerabilities.

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_off00000311.js` `ae17c84f9324cadcab6e37b996e70215256353dad26a2db8a1245ddeeae9d4cc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x311	88844 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).

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