PDF malware analysis — malicious · 3f5d25d5614531a4

MALICIOUS

PDF

3.9 KB Authoring application: hXr (via va)

MD5: 5d88576573c9a38106073bae2ba8260c SHA-1: ed97df7b6f4475168d7f9e9842a72f309c5b4ba8 SHA-256: 3f5d25d5614531a4b8a28b505475581fe22d5623dbef97d6ec4644bf7287ee19

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Clickjacking

The PDF file contains an embedded object and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF XFA image handling. This suggests the document is designed to leverage this vulnerability to execute a malicious payload upon opening. No scripts were extracted, and the document body was unreadable.

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` `ae0aec1834cf1850145c6f1e751a649cdac91286cf6cba3723fea771c68926b1`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9939 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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