PDF malware analysis — malicious · ad8148b99d068ca9

MALICIOUS

PDF

184.1 KB

MD5: 59b41b5984502040f95b4676503b5cd5 SHA-1: 077ff2e891e689322f1867a4f47540a695b85ffd SHA-256: ad8148b99d068ca9e07d6f8a326288acfa096bf999a97e8eb8d02d651b8d954e

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is a PDF document that contains an embedded XFA form with a critical heuristic firing for CVE-2010-0188, indicating an exploit targeting Adobe Reader. This suggests the document is designed to deliver a malicious payload upon opening. The ClamAV detection further supports its malicious nature.

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.
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `37c7ee258dccfb753b8aa927a2ee75cdcebc95d9625c16e71a628ce44938145e`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13711 bytes

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