PDF malware analysis — malicious · eb3315036dabaaf0

MALICIOUS

PDF

4.0 KB

MD5: 050c7ee61f4bd305dec0116d4397b2ad SHA-1: 1b70382f9238bb58c111d6eb9007792cc4559302 SHA-256: eb3315036dabaaf046c97f318c983347bb7a5d1a4fa8abac40badb103e6bc436

248 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1566 Phishing T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF file contains an embedded artifact that triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to deliver a malicious payload by exploiting this known vulnerability. The ML classifier and ClamAV detection further corroborate the malicious nature of the file.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 7

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.
ClamAV: Pdf.Exploit.Pidief-3 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Pidief-3
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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
`embedded_file_obj0001.bin` `de99810caf196d68c066253dd1871d4d620ded2b7e1efbab04fd5881b4771cf4`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x6C	13441 bytes
Detection ClamAV: Pdf.Exploit.Pidief-3 Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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