Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee155f043d6bbdec…

MALICIOUS

PDF

35.2 KB Created: 2021-06-27 15:10:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 405c3e02e200ce33078f8b432df71a05 SHA-1: a9d99c3e7ce5cf86d280113762bc2c29240513fe SHA-256: ee155f043d6bbdec0db2c63d23a87a1c2567431eca76112374160f91eba3fe30
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/gamekit-roblox-800-robux-free-game-hack PDF link annotation
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/fe-hack-roblox_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/what-games-work-with-cheat-engine-roblox_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/how-to-hack-on-roblox-plates-of-fate-script_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/how-to-hack-peoples-account-in-roblox_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/roblox-galaxy-shirt-free-shipping_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/how-to-crack-free-robux-robuxmaniac_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/generator-free-robux-facil_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/roblox-hack-account-2021_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/how-to-free-robux_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/roblox-dragon-ball-z-final-stand-hack_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/roblox-counter-blox-script-hack_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/roblox-boxing-simulator-cheats-xbox-one_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/free-roblox-gif-card-codes_GM431946152.pdfIn PDF document text
    • https://elearningmts.almatuq.sch.id/__statics/gudangsoal/files/get-free-robux-inspect_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_off000031bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31BC 21924 bytes
SHA-256: 24c05be1d5606de7fb46c9b665157b9e8336176ccd7ac4a85eec5f04cfb0bc51
font_01_sfnt_off0000625b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x625B 19824 bytes
SHA-256: 0305e14417c6628842cd69d49e242a62ccbc1e9d38e7b3ca71587601cd66e17a

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