PDF malware analysis — malicious · 3cbbdf0bf09b7054

MALICIOUS

PDF

5.6 KB

MD5: f77295b2d8147890b803e380ec7c34e4 SHA-1: 301eb193a4d40d46020389595a630cab38d92f3a SHA-256: 3cbbdf0bf09b7054756c3b6d2060e68f4b55e1e68c074389847d12b7935ab09d

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample 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 and flagged by ClamAV, suggesting it serves as the payload. The ML classifier strongly supports the malicious verdict. The document body content is unreadable and likely obfuscated or malformed, 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` `fdb75844a1a00e67326770804268592361d90037d4961149870c9fd6f8226afa`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x412	33689 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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