PDF malware analysis — malicious · f581022ee500ebd6

MALICIOUS

PDF

81.1 KB

MD5: 14928ad02c0e9941a05bdad68112e5c3 SHA-1: 3e7768a7ee1005addf657f7356c287334eee763c SHA-256: f581022ee500ebd6e079a0982d550bc59333396e10c7d515f4f5ba9fabe73171

216 Risk Score

Malware Insights

MITRE ATT&CK

T1190 Exploit Public-Facing Application

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload. ClamAV detections further confirm its malicious nature. The embedded script is likely responsible for downloading and executing a second-stage payload, as suggested by the 'Pdf.Exploit.Dropped-93' signature.

Heuristics 7

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.Dropped-93 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-93
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
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000383.bin` `3babb7f4510834762a27ca0965bbb100ce6fdde39234000ece810b8762399bd4`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x383	69935 bytes
Detection ClamAV: Pdf.Exploit.Dropped-93 Obfuscation or payload: unlikely

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