PDF malware analysis — malicious · 20ec0b9013ccc557

MALICIOUS

PDF

5.4 KB Created: sdtres

MD5: d25203a1bdcc11a921a1364587794e3e SHA-1: f901785035bfcf13f481cc4b3134ebf33f9371cb SHA-256: 20ec0b9013ccc557d2907a5b6d09b319816671598f55e7f49434343d155de210

210 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1059 Command and Scripting Interpreter T1059.007 Command and Scripting Interpreter: JavaScript

The PDF file contains an XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader. This exploit is designed to decompress and execute an embedded JavaScript payload. The ClamAV detection confirms the presence of this specific exploit, indicating the file's malicious intent to deliver a secondary stage.

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.
ClamAV: Pdf.Exploit.CVE_2010_0188-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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_001_off00000423.js` `b1757a4f7faa625af7239e54b94b46e21b8a3ebfeb2bc9f790d2278169a21ab9`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x423	32701 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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