PDF malware analysis — malicious · f02436fe6c938445

MALICIOUS

PDF

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

MD5: c04e61baf55ab2c6500754e408bd1f7f SHA-1: c54a7799325afaa009e5e2845d78b9f50012e222 SHA-256: f02436fe6c938445ac6076dd717a4d260d76c87451705f3c43ca5e229c0a1788

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

This PDF was flagged as malicious by a machine learning classifier and ClamAV, which identified it as Pdf.Exploit.Agent-36874. The presence of an XFA form and an AcroForm button with an action trigger suggests an attempt to exploit a PDF vulnerability. An embedded artifact was also detected, indicating a potential payload delivery mechanism.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

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` `27f3b220e9bb5d84e40afe66f92872755c3c8329902ec03a449a2bdf314023cc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1414 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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