PDF malware analysis — malicious · 26db4a012e626fa3

MALICIOUS

PDF

5.5 KB

MD5: f7fd08ccd055be80300245095f1f8343 SHA-1: 46419b400e70880755004b96993e071a176be2fd SHA-256: 26db4a012e626fa3097f774eee54cac0da565c3ae88842e69aadbef930e44b6e

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file is flagged as malicious by multiple engines, including ClamAV which specifically identifies it as 'Pdf.Exploit.CVE_2010_0188-10'. This indicates the file leverages a known exploit for CVE-2010-0188. An embedded artifact was also detected and flagged by ClamAV, suggesting it is the payload. 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` `f1b85ae8afe1573a4b77c663e49a38c14ab2b186983fa1aa8319f347a941db50`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x413	33673 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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