Malicious PDF — malware analysis report

Static analysis result for SHA-256 63901242380d824f…

MALICIOUS

PDF

34.0 KB Created: 2021-07-06 12:24:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: a95415f880cd762d92fb9405d8ad5161 SHA-1: 43c271f49736ffe89bee76fb164e0ed36990eac7 SHA-256: 63901242380d824f1a43de161159a5b148858fc3308671d4e770f90dd9b98e35
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/roblox-jailbreak-hack-download-game-hack PDF link annotation
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/roblox-cash-grab-simulator-cheat_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-java-free_GM479516143.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/free-robux-meme_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/gameoffice-net-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/master-free-spin_GM406889139.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/coin-master-hack-spins-app_GM406889139.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/ahegao-hoodie-roblox-free_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/free-robux-generator-survey_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/ninja-assassin-roblox-hack_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/roblox-ftw_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/get-more-robux_GM431946152.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://elearning.ic.sch.id/__statics/gudangsoal/files/how-to-get-roblox-premium-for-free-2021_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_off00002fd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD6 21344 bytes
SHA-256: b680102ceb8616adab7d941f61f2a46c1e9a92ae5c38b9a3f240d1abddee128c
font_01_sfnt_off00005e5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E5F 19448 bytes
SHA-256: c6b402b96529d0790e5d7e1f1484851c98e2ea285be43ed7d04bfb6fa8727121

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