PDF static analysis report

Static analysis result for SHA-256 471a5e8c01bb9902…

SUSPICIOUS

PDF

32.7 KB Created: 2021-07-20 13:35:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ec00d0568ec15072a74f8ba7f6dbe359 SHA-1: 11ca3f9f02dda01c87971734bb03d0965ca0bd09 SHA-256: 471a5e8c01bb990286ff4b404bdc292a0c8b3e3b7343a7a7cb768e681e7919ac
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains lures for free Robux and includes a direct link to download a file from 'netcdn.tw'. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it being a downloader or part of a phishing campaign. The document body text and embedded URLs suggest a social engineering attempt to trick users into executing a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

Heuristics 3

  • 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://netcdn.tw/app/431946152/free-robux-no-human-verification-no-survey-game-hack PDF link annotation
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/minecraft-com-free_GM479516143.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/minecraft-free-android_GM479516143.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/is-tiktok-free_GM835599320.pdfIn PDF document text
    • https://elearning.min1lebak.sch.id/__statics/gudangsoal/files/free-robux-site_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000287e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x287E 22568 bytes
SHA-256: 7145bbd523e911fc52168eddcdcc1f18755fcf7a79f6b61a9b2a1782481eb5e4
font_01_sfnt_off00005ab0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB0 19340 bytes
SHA-256: eb1e8621334ed51a94bbc255bf386eec5599657d3bf0a8f729de6b7a7c130168

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