Js.Exploit.Pdfka-3 PDF malware analysis — malicious · 41da31c8294d60d7

MALICIOUS

PDF

6.2 KB Created: 2012-09-24 10:15:31

MD5: e4f941568a53fb2513bc89b86ab5f565 SHA-1: 976bb012db29aed1912b5a530477208b2eb06d50 SHA-256: 41da31c8294d60d7c9a2899c1463eced7c5ce263cf7b8b41686a1f90e8926fb2

160 Risk Score

Malware Insights

Js.Exploit.Pdfka-3 · confidence 95%

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

This PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader, as indicated by the critical heuristic firing. The ClamAV detection of 'Js.Exploit.Pdfka-3' further supports its malicious nature. The embedded script payload suggests an attempt to download and execute a secondary stage, although the specific payload could not be fully reconstructed from the provided evidence.

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: Js.Exploit.Pdfka-3 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Js.Exploit.Pdfka-3
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
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0004.bin` `c09ae753ce4962d3d447f6ccdc05236eb9238277b66775a82f085f0fd265a84d`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1FE	130 bytes
`embedded_file_obj0006.bin` `991ab04afb04991d3dd8fe9cd926a18e58e454636e8c6e15c210fc9a966d5588`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x2D3	131 bytes
`embedded_file_obj0014.bin` `d4d42ce0e2becf87abd24a70143a95b67bb3633a77c6bfce0204f49023ee7cd4`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x61B	201 bytes
`embedded_file_obj0016.bin` `7a51a4d86dea38d62bbff79a23cbc5605a91211dfd921661437760ab5169d39e`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x910	38013 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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