Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e2690ea68431d39…

MALICIOUS

PDF

34.8 KB Created: 2021-07-06 22:10:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 7e0f7465101e3d6dd1705328421604f1 SHA-1: ee6f9b52c1a5fbe841cc9881b44de94054106abf SHA-256: 2e2690ea68431d39e5f691cc85791799e5ed34149dbdb713cec754a733554a04
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/how-do-you-get-free-robux-game-hack PDF link annotation
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/claim-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/free-money-roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/rbx-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/coin-master-vip-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/robux-tool-free-download_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/free-robux-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/free-spins-coin-master-cheats_GM406889139.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/www-free-robux-hacker_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/mcmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/hacks-para-atravesar-paredes-en-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/roblox-free-suit-not-deflaut_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/roblox-free-online-game_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/give-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-not-fake_GM431946152.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/free-400-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mariyadl.sch.id/__statics/gudangsoal/files/how-to-get-hacks-in-island-life-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC0 22468 bytes
SHA-256: 8420cf3b2767022d18a4412db45ecda06c43a44fe078df5f4e85e2e08eb0fe56
font_01_sfnt_off00006207.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6207 19316 bytes
SHA-256: 99209f55b8a3eadb57fc79f11dd938dc70b993b67b3cdd4e22b37a6312af6b20

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