PDF malware analysis — malicious · 8987098501d1fd47

MALICIOUS

PDF

5.6 KB

MD5: d3d1a0f9b81cbf6c6c96bb3d15e9fa34 SHA-1: 38738f7f37aaf614656d9f92f9f2e3c44076d46e SHA-256: 8987098501d1fd4749b0e19b1a88d9d2cce67fcbf90f24bc716553a3a8b21171

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.001 PowerShell

The sample is a PDF file flagged by multiple heuristics and ClamAV as malicious, specifically indicating an exploit for CVE-2010-0188. An embedded file, 'embedded_file_obj0006.bin', was also detected and flagged by ClamAV. The ML classifier assigned a very high probability of maliciousness. The document body content is not human-readable and appears to be obfuscated or corrupted, providing no direct clues about the lure.

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` `45dcc4aedcf0a5409e7f6f28a8d1480c8e6ba004eb1009f449fd3a993305019a`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x412	33747 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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