PDF malware analysis — malicious · 4206c027ea2849e4

MALICIOUS

PDF

136.8 KB Created: 2011-09-08 05:03:17 Authoring application: FPDF 1.6

MD5: 5fd363b3ec1080b78211b83f2f89cccb SHA-1: 23a3ee90789267f291596bbfdb93f8de784a6a27 SHA-256: 4206c027ea2849e494757c8b1d779e027e4cc047b503d6676dd27ab30610691d

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The PDF file contains an XFA form and an AcroForm button with an action trigger, indicating it is designed to exploit PDF vulnerabilities. ClamAV detection confirms this, identifying it as 'Pdf.Exploit.Agent-36874'. The file likely attempts to deliver a malicious payload upon opening.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36874 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36874
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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
`stream_001_off000008ed.bin` `2d9710d91a5d0bc84718708811dc1393be2f7646b8d22219e9af27500c1ca8e9`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1432 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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