PDF malware analysis — malicious · 428dcef55bb8ad15

MALICIOUS

PDF

3.9 KB Authoring application: hXr (via va)

MD5: 61470ed7e67af3e70ac42d179f4aeecd SHA-1: c9f22cab2c5eabb6334d72fd5b55c5a2303db585 SHA-256: 428dcef55bb8ad15fbe735d91e287ea711bf9b6fda55cf753ad858baed9fad0b

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 exploit, indicating it's designed to deliver a malicious payload upon opening in a vulnerable application. The embedded artifact 'embedded_file_obj0041.bin' is likely the delivered payload. No specific family could be identified from the available data.

Heuristics 5

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.
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `0e8811fe406d8692747c562c61346cc073365271fd8b384ceddac8f124e8e558`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9915 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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