PDF malware analysis — malicious · 226df7d4782cab85

MALICIOUS

PDF

5.6 KB

MD5: 340fd0bb7b13ab82a6e26d7e78767b50 SHA-1: f61668805146b688b0b75e57722561a2964b2306 SHA-256: 226df7d4782cab85bb4929e3dbc6b8de72af56f93336cce948fde939f63499bc

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File Execution T1566 Phishing T1204.002 Malicious File Execution: User Execution

The PDF file is flagged as malicious by multiple heuristics, including a critical ClamAV detection for Pdf.Exploit.CVE_2010_0188-10. An embedded script payload was also detected, indicating the PDF is designed to exploit vulnerabilities and execute further malicious code. The ML classifier strongly supports the malicious verdict.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

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` `658969438e138b594ac80cb9d767f8f19832d89b4eb5ee54bed590bb7cb27fb0`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x411	33729 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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