PDF malware analysis — malicious · e486c56c6ae17b83

MALICIOUS

PDF

3.9 KB Authoring application: hXr (via va)

MD5: 45ae38cdba50ba0e87c155d854c90b2a SHA-1: 9e9bddd37137843bb0cadfe70f11fc954e46afae SHA-256: e486c56c6ae17b83d29cdf54e02208f64469c3a84e7cbfc025475727a75e1d22

98 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains a critical heuristic indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This exploit is designed to achieve arbitrary code execution. An embedded script payload was also detected, suggesting the initial exploit is used to download and run a secondary stage. The embedded artifact 'embedded_file_obj0041.bin' is likely the secondary payload.

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` `7f397eb6babd3ec357975fa31a1e3960add750d8bb69eeafbe4deefdda49bc6b`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9891 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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