Malicious PDF — malware analysis report

Static analysis result for SHA-256 9672f33ecbbe9fbf…

MALICIOUS

PDF

33.5 KB Created: 2021-07-05 23:15:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: af63882cecee80ae47af810dff401b8f SHA-1: d35489f05c7a34973fa7efab9bb01ff6a0ec1116 SHA-256: 9672f33ecbbe9fbf82330c377c0f3b04bb2b1c78c6f2623194f18287a0ec039e
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/479516143/minecraft-hack-mod-game-hack PDF link annotation
    • https://www.sonestad.se/library/repository/coin-master-free-spins-daily-fb-champion_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-pastebin-no-wait-no-subscribe_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/minecraft-bedrock-edition-hacks_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-get-free-robux-wikihow_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/minecraft-xbox-one-code-free_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/wurst_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-get-infinite-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-coin-master-gold-cards_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/easiest-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/download-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-rewards_GM406889139.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_off00002f9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F9C 22112 bytes
SHA-256: a807fd679747eef4f2ae94a0cff6f1c0f1ec455659b7596c92c661c13b662662
font_01_sfnt_off00006032.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6032 18340 bytes
SHA-256: 49e8d41e4645ecbcf6c8cca7b2812b927382294641a04bb93a79b652b6b1cc7e

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