PDF / .TXT malware analysis — malicious · c71bc7f839de2d7d

MALICIOUS

PDF / .TXT

3.4 KB

MD5: e739cf1011d4a34d4ac39c9fbbd11c83 SHA-1: 0cd9ffcec16ba65705c48e6a7f38bf2820678fd0 SHA-256: c71bc7f839de2d7d237102fe5edd3c6adf21d07d52af17c1bab22ef196a51391

78 Risk Score

Malware Insights

The PDF file contains an XFA form and triggers the CVE-2010-0188 exploit, indicating it's designed to leverage a vulnerability in Adobe Reader. The exploit targets a LibTIFF vulnerability within XFA forms, suggesting the delivery of a second-stage payload. The presence of ASCII85Decode filter further supports the malicious nature of the PDF.

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` `43b2ea09d0b37f3a26565c895712f917f71641c1e9fb7e91e3f77d12da04dfed`	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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