PDF malware analysis — malicious · b4a2e63603e9aea7

MALICIOUS

PDF

5.6 KB

MD5: 19b62b93987a3a18a6f9f3197c9eae7f SHA-1: 77362045daa97a1ccef638c393139315fba7b33c SHA-256: b4a2e63603e9aea75e2d66a51c466e7b923f42904de9b9f1110117f116e751c4

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The PDF file contains an embedded script payload and is detected by ClamAV as Pdf.Exploit.CVE_2010_0188-10, indicating it exploits a known vulnerability. The ML classifier also strongly flags it as malicious. The embedded artifact was also flagged by ClamAV, suggesting it is the delivered payload.

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` `4df3440171842c03197b5249c6516912935d3d68790bffa40d9f7d6df3021bd0`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x411	33692 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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