PDF malware analysis — malicious · 411d909521d33b81

MALICIOUS

PDF

5.6 KB

MD5: fdd097898dceb109309fa84a28ec7fbd SHA-1: 90f47f6898381939b2f3d07be308a71c58ed7d4a SHA-256: 411d909521d33b8124e2b049ac03ca4aaf1f2aa8c68522ba208f772b3a241d79

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link T1204.002 Malicious App

The sample is a PDF document identified by ClamAV as Pdf.Exploit.CVE_2010_0188-10, indicating exploitation of CVE-2010-0188. An embedded file was also detected, which likely contains the secondary payload. The ML classifier strongly supports the malicious verdict. The document body content is garbled and does not provide further context on 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` `fb0cebcbb9f5f33881a526cc52d136f4908f6ce1604b43c1ffb31e73b8e69f37`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x410	33724 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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