PDF malware analysis — malicious · b108fbcf8c78e44b

MALICIOUS

PDF

5.5 KB

MD5: af7cf9ffa16bca4f76498a820f92be3d SHA-1: 85be6ba587c483edc4849e8a9468d5335d2abe74 SHA-256: b108fbcf8c78e44b4572bdb9a8dfa31b5616e2de61618f52704dd7266bbd6dd9

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The file is identified as malicious by multiple high-confidence heuristics, including ClamAV detection for Pdf.Exploit.CVE_2010_0188-10. An embedded script payload was also detected, indicating the PDF is designed to exploit vulnerabilities and deliver a secondary malicious artifact. 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` `192b50012e1ed8ac1d50cab21f3bfdb7af435985133db9089218b932ce54fa14`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x40F	33567 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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