Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ed476a929e98c4d…

MALICIOUS

PDF

33.4 KB Created: 2021-06-19 13:47:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: d069389b04af725eb00902b26ae88292 SHA-1: 6c7496bee6b2dd519b464267d4be96122f04b830 SHA-256: 5ed476a929e98c4d80821924637182fbd9db5679bc0373fa9f0aa3ed705ccb96
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 0.9824

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/get-free-robux-gift-card-uk-game-hack PDF link annotation
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-roblox-generator-for-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/roblox-tower-of-hell-cheat_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/mathep_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-hats-roblox-2021_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/roblox-rewards-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/minecraft-116-free_GM479516143.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/robux-place-rewards_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/get-free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-make-any-purchase-in-roblox-games-free-2021_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/hack-roblox-players_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/hacks-roblox-jailbreak-2021_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_off00002c26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C26 22176 bytes
SHA-256: 8ba28f7317f6020ea7b0fc57ddd3e2bd810cfd655e170e131ffc944622dcdb2e
font_01_sfnt_off00005d43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D43 19284 bytes
SHA-256: 7389b027c5fd35e7f4777314f4aa5698d6b129d88fb20551eb48f871a576dcec

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