PDF malware analysis — malicious · 539a02da09753b99

MALICIOUS

PDF

2.6 KB

MD5: 17970d0a660433749204018f77a4a306 SHA-1: 1231a550e9385bfa5bfc0a7ae52178a10f397d5d SHA-256: 539a02da09753b99b94fb9e0e1271533de994a45ff66d50bd70eb599e347af2f

140 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment T1566 Phishing T1566.001 Phishing: Spearphishing Attachment

The PDF file contains an embedded malicious object that exploits CVE-2010-0188, 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 further confirms the malicious nature of the file.

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` `e3ddd0ab4e21223a30c4164514fbb41c9293be5bf37a34daf5b36ec206fda3d6`	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` `0b9d9eb0ab6488ddc552d9f09f490c068b39e9b700413a1737d4f72ab71544d0`	deobfuscated-js	PDF AcroForm base64 (decompressed) at offset 0x58A	8730 bytes

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