PDF malware analysis — malicious · 9013023b97713e3e

MALICIOUS

PDF

5.0 KB

MD5: 933859f0f7f440661bb049e83eb935fb SHA-1: cf7971b354bb0e36a060cd66ccd699ba25cac530 SHA-256: 9013023b97713e3e475986dd046385fb6e021164e028f357a169e2c092475740

166 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded XFA image that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a secondary payload. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms the malicious nature of the file. No document body text was available for analysis, but the critical heuristic firings strongly indicate an exploit delivery mechanism.

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.Dropped-90 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
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
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
`embedded_file_obj0001.bin` `36f3cb13c88f1ccd1d3f936e276d53848cde2fb8a49f3297ad5cb90536e4c2e2`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7A	13513 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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