PDF malware analysis — malicious · 462d051d88d0ceee

MALICIOUS

PDF

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

MD5: 0e16eee4cc82e69a51d2f48fedb3eb3e SHA-1: 82924928c77f734ce431e4287d5e906e1a295ec4 SHA-256: 462d051d88d0ceee5dc488aeca9ff50dfbc4c38773a09fec4fab5c956aa70762

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36874' and a high ML classifier score. The presence of XFA forms and AcroForm buttons with action triggers suggests an attempt to leverage PDF-specific vulnerabilities. The ML classifier's high confidence score further supports the malicious nature of the document, likely involving an exploit to execute a payload.

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` `c5909299e3d4132ab338aa6679c4c9904e3ce818f0ee8ff3cc79443e3ce7473d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x8ED	1446 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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