PDF malware analysis — malicious · b5f4b53b9bad5af2

MALICIOUS

PDF

2.6 KB

MD5: 55b1aadf2a63a8d49555f50ad396ee54 SHA-1: 24a2071d61fb551f11dc24f2ead1275d35d09e73 SHA-256: b5f4b53b9bad5af2f8e5a303dd106daa6d9f9e7ccbd189df984a8bf0e9d85a56

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded object and triggers the CVE-2010-0188 exploit, indicating it is designed to leverage a vulnerability in Adobe Reader. The ClamAV detection further confirms its malicious nature. The embedded file suggests a secondary payload delivery mechanism.

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: Pdf.Exploit.Dropped-90 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
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` `70b98c16aa74d7d4037641b3ff9e3db2724d22afefd641f85a23e593a63475a6`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x5D	13415 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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