PDF malware analysis — malicious · ac59e61c4e46f1a9

MALICIOUS

PDF

81.8 KB

MD5: 6c7c70dffe6646145f4265fcddaa56c9 SHA-1: ef7f4b61182d7dfa4034883d89192500a287c7d0 SHA-256: ac59e61c4e46f1a93d431cc7b09ff18e6341e942c88c7671f10b961f0d624a33

216 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This indicates the document is designed to deliver a secondary malicious payload upon opening. The embedded artifact was also detected by ClamAV as Pdf.Exploit.Dropped-93, confirming its malicious nature. The document body is heavily obfuscated and does not provide clear user-facing text.

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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000391.bin` `da47538fe29eb7ae53cbc43d59a51336aa29dbc27e0cf16a043f06c38b27ec9e`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x391	70498 bytes
Detection ClamAV: Pdf.Exploit.Dropped-93 Obfuscation or payload: unlikely

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