Malicious PDF — malware analysis report

Static analysis result for SHA-256 57b01f99b2743970…

MALICIOUS

PDF

35.1 KB Created: 2021-07-06 05:55:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 9300bcf975e8e02122902ba495b74ea4 SHA-1: 0691c3dd153d8f6e84dd64029a98f25f5936fa0d SHA-256: 57b01f99b2743970aceb5f10c0982976e9ce014f4273b52e325a16435b1e12cd
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple links and a lure related to game hacks, specifically for Roblox and Coin Master. The primary link, http://netcdn.tw/app/431946152/roblox-hackprogamers-com-game-hack, is identified as a redirector to a malicious site. This suggests the document is designed to trick users into visiting potentially harmful websites by promising cheats or generators.

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-hackprogamers-com-game-hack PDF link annotation
    • http://lib.akpnbahtera.ac.id/repository/giftrobux-com-generator_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/password-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/hacks-para-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/master-coin-free-link_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/1-free-roblox-toy-codes_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/how-to-play-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/roblox-dantdm-shirt-free_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-robux-giveaway-groups_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/games-like-bloxbutg-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/link-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/robux-hack-me_GM431946152.pdfIn PDF document text
    • http://lib.akpnbahtera.ac.id/repository/claim-robux_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_off00003300.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3300 22148 bytes
SHA-256: 489ded2c22fde6d96f268ef2cf798115f98b751a23dbc89b016cb4f3bea83451
font_01_sfnt_off00006404.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6404 19092 bytes
SHA-256: d26117ac9301c6aa9374fcae7e0fccda191402db8399675fac54987eaaf59708

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