PDF malware analysis — malicious · 5900fe0e52b5b08d

MALICIOUS

PDF

5.5 KB

MD5: 9eb5aad25c9db47df507616cd24a10b6 SHA-1: 65525fb15884d85c4b92bb4b4eb9c212cb100c9f SHA-256: 5900fe0e52b5b08d278f24e03c95ca041a46871c7230418f846a88d6e0da4e69

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link T1204.002 Malicious App

The file is a PDF document flagged by multiple heuristics and ClamAV as malicious, specifically indicating an exploit for CVE-2010-0188. An embedded file was also detected, which likely contains the secondary payload. The ML classifier strongly supports the malicious verdict. The primary attack vector appears to be exploiting a known PDF vulnerability to execute arbitrary code.

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` `d729be8165d2dac428c820c413374c40e80f885427fa59c70685c359419533a0`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x413	33606 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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