PDF malware analysis — malicious · 9640a5fabd08776f

MALICIOUS

PDF

5.5 KB Created: sdtres

MD5: 36db42127ed9ff4dfb3403ec90e9679d SHA-1: ba9bac144d0668bf28accaaf6a86fdf86f07a9b8 SHA-256: 9640a5fabd08776ffadd804f56e52750d55fae194dfedd1c3f8e77f573e1bad8

216 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1204 User Execution

The PDF file contains a critical heuristic firing for CVE-2010-0188, indicating it exploits a vulnerability in Adobe Reader's handling of XFA forms. This exploit is designed to allow arbitrary code execution. An embedded script payload was also detected, further supporting the malicious intent. The primary attack vector is likely user execution of the malicious PDF, leading to the exploitation of this known vulnerability.

Heuristics 6

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
ClamAV: Pdf.Exploit.CVE_2010_0188-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0011.bin` `9ee45ff606168abbb1adf53fb86c6f396ceae9d7181c7e6edc811902b8eeac9c`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x45F	33163 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: unlikely

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