PDF malware analysis — malicious · 8af7dda1aae4c049

MALICIOUS

PDF

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

MD5: 58363855d7781d2cf6d87cd38e5c9934 SHA-1: c66da040ed09813fdd42821d43993ab6d3ce9880 SHA-256: 8af7dda1aae4c049af9e22bd8878da75222ffaabec3a266159a67921d67da7c7

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, targeting Adobe Reader. The heuristic 'CVE_2010_0188' directly indicates exploitation of this vulnerability. The embedded JavaScript, 'stream_002_off000002f8.js', is likely responsible for downloading and executing a secondary payload, which is a common technique for initial access and further system compromise. The document body is largely unreadable binary data, providing no contextual clues.

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_off000002f8.js` `3fb960b074e1ac977a9ee027c0cdba7669feb299e81e02588760902cfe3d8550`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2F8	65451 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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