PDF / .TXT malware analysis — malicious · f18808cf4035a9de

MALICIOUS

PDF / .TXT

3.4 KB

MD5: 9762cd587623bd0472100c7c7d8cfa70 SHA-1: 5ecea59a673c3f35760a92848f80ca0fc326aa3c SHA-256: f18808cf4035a9de54d378e301d01c77d9d3bd6eaa3d963e873f9961e8ecc045

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains an XFA form and utilizes ASCII85Decode filters, which are indicators of malicious intent. Crucially, a critical heuristic identified the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component, with a matched inline XFA image/tif payload. This indicates the document is designed to leverage this specific vulnerability for code execution.

Heuristics 4

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85

ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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_000_off000001e9.bin` `d065394fefd312c2f4e3014c5b043832953fae181569727f3e35d872d339b0f6`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1E9	13469 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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