PDF malware analysis — malicious · ef8467c374b46d2b

MALICIOUS

PDF

3.4 KB

MD5: 6341aa43c33d991214de16884b802489 SHA-1: a9ef769ef6da9370c029f50a2a03ceaa05a83683 SHA-256: ef8467c374b46d2bf95ad12b8b2a3bedb54e51e37995bce850307d6bbd8eb74e

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form and triggers the critical CVE-2010-0188 heuristic, indicating an exploit for Adobe Reader. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The presence of a decompressed stream further supports the exploitation attempt.

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` `a7b78b5d8e601d4fe9e489dfead2d9ac3edb5921b97947ab375e8d0ae6c68ff6`	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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