PDF malware analysis — malicious · 284681e11262e242

MALICIOUS

PDF

5.4 KB Created: sdtres

MD5: 173b41e44ebb6e61557e5913d46eaae3 SHA-1: 1556c33e5f893a29788bef500c12223a3a8dd082 SHA-256: 284681e11262e242654e46c283283999acbd554ba953171f8a22826bf7a5993b

216 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded XFA form and triggers the CVE-2010-0188 exploit, indicating it's designed to execute arbitrary code. ClamAV detections confirm the presence of the Pdf.Exploit.CVE_2010_0188-10 signature. The embedded artifact, though not fully analyzed here, is also flagged by ClamAV as malicious. The primary attack vector is the exploitation of a known Adobe Reader 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` `9059ca60e3af8de5fad20b2f395bca0fa399f2dd47ce1ad8618f55cf3541a1ef`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x436	32624 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: unlikely

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