Malicious PDF — malware analysis report

Static analysis result for SHA-256 82434eef27339565…

MALICIOUS

PDF

34.4 KB Created: 2021-06-19 20:09:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: ad363c557c882d2fa8a19176c65cd0ef SHA-1: 10830284eff58ac07a95926a29c2fd16037a61e4 SHA-256: 82434eef2733956507da1f4107587902de0d452a64f48e086c0bf0cd1d2e3a03
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.co/app/431946152/da-hood-update-drum-gun-cheats-in-roblox-game-hack PDF link annotation
    • https://lib.bunghatta.ac.id/app/repository/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-free-robux-on-ipad-2021_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-gucci-jacket-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-tiktok-likes-and-fans_GM835599320.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/cool-avatars-roblox-free_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-executor-free-download_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-hack-apk-33-download_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-free-play_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-console-hack-2021_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-villages_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/cheat-roblox-storm-beyond_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-roblox-toy-codes-not-used_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-hack-someones-account-on-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_off00002ffc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FFC 21744 bytes
SHA-256: da66ca60a89a5ebfee5089b647c89f792d1bfa191bd2523734b6a56433dc5853
font_01_sfnt_off00005f91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F91 19676 bytes
SHA-256: f2775e7edf6168176df9fdf48f3e874a91b207b2ac038c097b8dcd27398b9bda

Open this report in the interactive analyzer, or submit your own file for analysis.