PDF malware analysis — malicious · a350fd555ca34812

MALICIOUS

PDF

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

MD5: 268b96cfbfb5c6650617c27949e8f6ae SHA-1: f6c4e09e38be6049866dde2a432f29d519f1eeeb SHA-256: a350fd555ca348122fe2c2c0c783c422c5d8ff54d602fd5bab5b8e3cc3df294a

162 Risk Score

Malware Insights

The PDF file contains an embedded JavaScript payload that is triggered by the CVE-2010-0188 exploit, targeting Adobe Reader. This exploit allows for the execution of arbitrary code, as indicated by the ClamAV detection of 'Pdf.Dropper.Agent-6294282-0'. The extracted JavaScript file, 'stream_002_off0000037b.js', is likely responsible for downloading and executing a second-stage payload.

Heuristics 7

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.
ClamAV: Pdf.Dropper.Agent-6294282-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-6294282-0
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_off0000037b.js` `401c85a7948204d7a3dc36c558ef83149da76247818bb40856e9d7ddceb0d4fa`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x37B	61731 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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