Malicious PDF — malware analysis report

Static analysis result for SHA-256 197bdb7f2e3332ec…

MALICIOUS

PDF

35.2 KB Created: 2021-06-29 10:26:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: b4b49198467f6ecc43c11f5377c83e69 SHA-1: d9d7888d6971be1baacdd757cf064ea1e11c8c69 SHA-256: 197bdb7f2e3332ec04830abb24669c15ee0a32c35bd16300c450222e30f1a6dd
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/hack-para-teletransportarse-en-roblox-game-hack PDF link annotation
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/roblox-toys-codes-hack_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/minecraft-book-collection_GM479516143.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/egg-farm-simulator-roblox-hack-script-pastebin_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/free-robux-no-email_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/free-earned-roblox-items_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/hack-gratui-pour-avoir-toute-les-gamepass-de-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/roblox-executor-download-virus-free-download_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/roblox-robux-online-hacker_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/nicsterv-hacking-people-and-giving-them-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/how-o-hack-roblox-trackid-sp006_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/como-hackear-cuentas-de-roblox-sin-programas_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/fotos-de-hacker-en-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/roblox-hack-menus_GM431946152.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/coinmaster-spin-ml-free_GM406889139.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/spin-coin_GM406889139.pdfIn PDF document text
    • https://elearning.mismiftahulumam.sch.id/__statics/gudangsoal/files/roblox-tutorial-hack_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_off00003293.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3293 22472 bytes
SHA-256: d78f3c8f9ac1f2dee00abc504aae1a41bb26b351b9e89eb2be1e44f26739e525
font_01_sfnt_off0000647f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x647F 19088 bytes
SHA-256: 6ed31fcc1558a3fc488ed014e720f5505219c029297f5a2e8b00498f6b688a8d

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