PDF malware analysis — malicious · eefedb8e778da846

MALICIOUS

PDF

5.5 KB

MD5: 064dac36dd4eb20544991e1135bf20a8 SHA-1: af433da7dbe439b4d1f79ac5e7c3d42ab3e8ae62 SHA-256: eefedb8e778da84637bdf22d91774e37a5c56b21241bf6c901e7740791e0ac1e

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The sample is a PDF file identified by ClamAV as Pdf.Exploit.CVE_2010_0188-10, indicating exploitation of CVE-2010-0188. An embedded file, also flagged by ClamAV, was extracted, suggesting the PDF's primary function is to act as a dropper for 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` `61fb5d5aa09bbf7eedac712ef1e7f5fff5f0386edb4b955d5b0e5204531e4a46`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x411	33471 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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