PDF malware analysis — malicious · 4508f2431bf1df85

MALICIOUS

PDF

2.6 KB

MD5: d298b11689da2ab64bac564a5632bbe3 SHA-1: 9ac7b5ae6499832eb7efaa824adbc5eb94ae6e60 SHA-256: 4508f2431bf1df851dcb1487f3734586610d4203e5cf9eb5703d54f5828aa51c

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1190 Exploit Public-Facing Application

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's handling of TIFF images within XFA forms. This exploit is designed to download and execute a secondary payload. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms its malicious nature. The embedded JavaScript, while deobfuscated, does not contain directly actionable IOCs but supports the exploit 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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `0e10ef77d359a5814348308f234e068709d265fdd08aba2c0ec5c74d6c361021`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x5D	13473 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`acroform_b64_00.js` `b83ed39c9baf5a91a616d4e0c252f8bc1ea2172acdaa464f4267e938f3b9a443`	deobfuscated-js	PDF AcroForm base64 (decompressed) at offset 0x58A	8730 bytes

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