PDF malware analysis — malicious · c9691a52afa4c24f

MALICIOUS

PDF

5.6 KB

MD5: 5235b041b81de9f54755e7e41dac48fc SHA-1: ad740953f9b692ad1eac11fc6371e663843d2312 SHA-256: c9691a52afa4c24f12e4b2eb799380f47529769c45d63a00ac30a73033448d61

158 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The critical ClamAV detections indicate the PDF exploits CVE-2010-0188, a known vulnerability. An embedded file was extracted, which ClamAV also flagged with the same signature. The PDF structure also contains an embedded script payload, suggesting the document is designed to exploit this vulnerability upon opening to download and execute a secondary payload.

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` `31fc2f7573c7090b570ffa39954b8da8c8733b1f90a3c02b93def5b2d1267d90`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x412	33639 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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