Malicious PDF — malware analysis report

Static analysis result for SHA-256 56ea72be24762bd8…

MALICIOUS

PDF

35.2 KB Created: 2021-07-03 14:23:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 729e31e237df9df473507b6d9c8a3400 SHA-1: 4ebf929152a983d85d577a4b72ab523cb308117f SHA-256: 56ea72be24762bd83a706622ff6c33e03277348c3657feccb9c9c9a8c2444436
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/rbl-gg-free-robux-game-hack PDF link annotation
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/minecraft-survival-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/roblox-legends-of-speed-race-cheats_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/free-penguin-in-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/hack-game-plus-com-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/how-to-hack-someone-roblox-profile_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-download-for-android_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/roblox-hacks-instaler_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/how-to-look-cute-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/free-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-game-hack-app-download_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/rom-cheat-codes-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/how-to-make-roblox-clothes-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/free-dragon-ball-z-skin-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-hack-tips_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/roblox-gamepass-hack-script_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/www-roblox-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2wonogiri.sch.id/__statics/gudangsoal/files/free-robux-just-click_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_off0000325d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x325D 22872 bytes
SHA-256: fc9fa2d4dd02dfebac99c97dad453952a9ff6ac051270f3f35315cfdf11f078e
font_01_sfnt_off0000657d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x657D 18788 bytes
SHA-256: 59f9ca33a2a7e44c47b5adabbc3ceacc3a6bbd6ffe2d0380a638199fee6fbfd8

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