PDF malware analysis — malicious · e36a34d78ead31b3

MALICIOUS

PDF

5.4 KB Created: sdtres

MD5: 3f7b11f4e42d82ff1b0264a3f2ab5565 SHA-1: 2db76ee01d331f3f93119d035589ea141c1a31d7 SHA-256: e36a34d78ead31b3549248a2372422b007ff0f8ae59918b35ba83631e6fa83ad

216 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1204.001 Malicious Link

The PDF file contains an embedded script payload and triggers a critical heuristic for CVE-2010-0188, indicating it exploits a known vulnerability in Adobe Reader. ClamAV also detected this file as Pdf.Exploit.CVE_2010_0188-10. The embedded artifact is likely the second-stage payload.

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` `a91a74e47be9de70acaa66cf511f4c5c120ca47c6bbc723872244b0fabc42dae`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x434	32707 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: unlikely

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