PDF malware analysis — malicious · deb998a55a8abe03

MALICIOUS

PDF

5.4 KB Created: sdtres

MD5: 347347eeeb303c81b2c7cb3ac13a032f SHA-1: 2a0cf2b05a2186028f4ba90757ae3cade23bd60f SHA-256: deb998a55a8abe036520cccd0a2519c69297d6ea518f161574efa7c8cd0a6ba6

216 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers critical heuristics for CVE-2010-0188, indicating an exploit targeting Adobe Reader. ClamAV also detected the file as Pdf.Exploit.CVE_2010_0188-10. The embedded artifact is likely the second-stage 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` `f24e3082aa6e56f24b9f8f4da22834c49616ed40f54990880a26d5db2e679b6d`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x435	32662 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: unlikely

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