PDF malware analysis — malicious · fbefd7fdf9d41068

MALICIOUS

PDF

4.4 KB

MD5: af50bb18b08b3ce5c85faf2acf102142 SHA-1: 15af0215304a6564e2385c562a7c6187b40850a8 SHA-256: fbefd7fdf9d41068094a289bf18913000af95e94aeebfc8a2ee8d2a30642943e

98 Risk Score

Malware Insights

The PDF file contains an XFA form and triggers the CVE-2010-0188 exploit for Adobe Reader. This exploit is designed to download and execute a second-stage payload. The presence of XFA and the specific CVE indicate a targeted attack leveraging a known vulnerability in older versions of Adobe Reader.

Heuristics 5

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.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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_off00000207.bin` `7e9509bdaefc112693ea28e937313ec05df7371cef7b64ba564b762c2454629d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x207	13469 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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