Malicious PDF — malware analysis report

Static analysis result for SHA-256 98f5e3890bdd25fe…

MALICIOUS

PDF

36.3 KB Authoring application: Poppler-utils First seen: 2026-05-09
MD5: cfa7228177cfaae37e48bf0261de468d SHA-1: 951128cfa876c8c8936073797653035a2b82a68d SHA-256: 98f5e3890bdd25fe4573a2d074f4910ccfa8743c23460fcdb8bedbc6d45f44ad
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF that contains embedded URLs pointing to other PDF files, suggesting a multi-stage download or redirection. Heuristics indicate a visual download button lure and password-protected archive instructions, commonly used to bypass security controls. ClamAV detection and ML classification confirm its malicious nature, likely a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://remcofitness.com/uploads/1/3/0/6/130620737/muvilepafonumi.pdf PDF link annotation
    • http://thecompassionateasskicker.net/uploads/1/3/0/6/130639438/zuvaxuf.pdfIn PDF document text
    • http://onlygodcanjudgeus.com/uploads/1/3/0/5/130590117/2621458.pdfIn PDF document text
    • http://clipture.net/uploads/1/3/0/5/130542934/ac973a.pdfIn PDF document text
    • http://beyondhillco.com/uploads/1/3/0/8/130813953/130813953.html#fifa+world+cup+2018+games+apkIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001048.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1048 8660 bytes
SHA-256: 4815431cb934e849c22d1c680928650bd8faf5b2b8ea63efbad01017cf9c7a4c

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