PDF malware analysis — malicious · 4e485dd451a64811

MALICIOUS

PDF

3.9 KB Authoring application: hXr (via va)

MD5: 27e861a4bf582a427d240eda322ba41b SHA-1: e28902fef80217b3766e3e0f14635a1c4beb4fe0 SHA-256: 4e485dd451a64811f13a6dd6a34890c05c4065eedce17dc1d6322cd27a150ae5

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded object and triggers a critical heuristic for CVE-2010-0188, indicating an exploit for Adobe Reader's LibTIFF component. This suggests the document is designed to deliver a malicious payload by exploiting this known vulnerability. The embedded file and script payload markers further support the conclusion that this is a delivery mechanism for further malicious activity.

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` `5e4541a7bbf0f7a56491f75efa4607994dce76a4507e3c4becb25e6d7b6db18d`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x53	9920 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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