PDF malware analysis — malicious · 9eb1ac21f491343e

MALICIOUS

PDF

2.6 KB

MD5: 7eefa7472f71dd7b737d80166fb4459d SHA-1: f081f0af8645e57dedef69f6149923a823989791 SHA-256: 9eb1ac21f491343e8ea2abb6ad35603db59b166162a85bcca6290008ba882588

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a secondary payload. The deobfuscated JavaScript, 'acroform_b64_00.js', likely facilitates this download and execution process, although its specific actions are not fully detailed in the provided evidence. The ClamAV detection 'Pdf.Exploit.Dropped-90' 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` `b0062e97b0e7d4a06791b9934863baa400bd4ada9bd020755a6e8a135aeaf23d`	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` `0544336e64cb383710bdd623671947f37b59e1c91367ef69bd18066d1fa5908c`	deobfuscated-js	PDF AcroForm base64 (decompressed) at offset 0x58A	8730 bytes

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