PDF malware analysis — malicious · 4f4ba5b08d0c6e76

MALICIOUS

PDF

5.6 KB

MD5: 4b2a19794baa881f703d24c9baa40c8e SHA-1: c65bd2e224b1dcd260cd0e8de72514ef43445f87 SHA-256: 4f4ba5b08d0c6e76e9ec7795d8fb9dd3f3b5430578e1e5228a8d76f95a814994

158 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.001 PowerShell

The critical ClamAV detections indicate the PDF exploits CVE-2010-0188, a known vulnerability in Adobe Reader. The PDF contains an embedded script payload, which is likely responsible for triggering the exploit. The embedded artifact 'embedded_file_obj0006.bin' is also flagged as suspicious. The attack pattern is consistent with a user being tricked into opening a malicious PDF that leverages a software vulnerability.

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` `73e1098a8e1b160b10aedb9e4d0b18303cda600e29e55a2d52efbe11b492b587`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x412	33556 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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