PDF malware analysis — malicious · 868e64f0034f42e8

MALICIOUS

PDF

5.5 KB Created: qsdfsdf Authoring application: val

MD5: 57b9bca9195edc5198eb6227bd175244 SHA-1: a02a2d04ec64d7da066c87aaba0c8c2660ccb140 SHA-256: 868e64f0034f42e85f826a7d6efa4fcd7ece6bb487f6487ccd2d39139f021536

218 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1559.001 Component Object Model Hijacking T1059.001 PowerShell

The sample is a PDF document that contains an embedded file and triggers the CVE-2010-0188 exploit. This exploit targets a vulnerability in Adobe Reader related to XFA forms and TIFF image parsing. The ClamAV detection confirms the malicious nature of the embedded content, identifying it as Pdf.Exploit.CVE_2010_0188-10. The document body is heavily obfuscated and does not provide clear user-facing text, suggesting its primary purpose is exploit delivery.

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.CVE_2010_0188-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
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
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_obj0006.bin` `ff76fde33318ddc3f8ec5531dd2f8ef47b67f5ddef06aba7d703c7abe7e74b75`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x428	33477 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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