PDF malware analysis — malicious · b398bc840528c784

MALICIOUS

PDF

3.1 KB

MD5: b5eab565b26dc80da5a2786de384a6ef SHA-1: fa5922cb1d01cc04ef8ae2d4913675c0e1b1f50f SHA-256: b398bc840528c7845cb911b62bb18eeedb4e309c474254192c08e63f536b6451

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF sample contains critical heuristic firings indicating the presence of the CVE-2010-0188 exploit, targeting Adobe Reader's LibTIFF component. This exploit is designed to achieve arbitrary code execution. The presence of XFA forms and ASCII85Decode filters further supports the exploit delivery mechanism. The primary intent is to leverage this vulnerability to execute a malicious payload.

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` `f7a9583e39cb0a9177e21f74c09efe95abea672cb526703e62f5eaf51d0f860d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1E9	13000 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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