PDF malware analysis — malicious · cd00a6f0d453f49b

MALICIOUS

PDF

5.4 KB Created: sdtres

MD5: f518b977ae167fec2ab2c3c2b5acf7e3 SHA-1: 6142381b4b9f6ab029364ac7f2d2f39ae67f5e7f SHA-256: cd00a6f0d453f49b0afc8101415746af2daf3b49a9f42f634e27d112715df48a

216 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The PDF file contains an embedded exploit targeting CVE-2010-0188 in Adobe Reader, as indicated by multiple critical heuristic firings. The exploit is designed to execute a malicious payload, likely a second-stage downloader, leveraging the embedded script functionality within the PDF. The extracted embedded artifact, though not directly analyzed for its content, is presumed to be the payload delivered by the exploit.

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` `85c1ce536db45bbbe4747799b850ec05a0c5e8e7d91e5795e40e96c9ae64a9c5`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x433	32654 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: unlikely

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