Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd6be5d08e4abcd2…

MALICIOUS

PDF

34.4 KB Created: 2021-07-03 23:26:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 969b9db7916e225294ad2509a1c6134b SHA-1: 184e670d77399312bd2e0ce1546574259757baae SHA-256: bd6be5d08e4abcd2b00b6105f08b05aa96e3b41d96e8f7ac69bcb0f898ab531d
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/how-to-get-minecraft-for-free-on-phone-game-hack PDF link annotation
    • http://slim.sisminkada.net/repository/todos-los-hacks-de-check-cashed-v3-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-koul-admin-cheats_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-rewards_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-on-a-website_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-for-apps_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-minecraft-svg-cutting-files_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-invitation-template-free_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-spins-coin-master-links-app_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/pokemon-go-free-game_GM1094591345.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-hack-avoir-de-largent-facilement-sur-jailbreak_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/easy-roblox-today_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/what-is-roblox-hack_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-speed-hack-download-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-claim-spins_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/phantom-forces-roblox-rank-hack_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-hack-roblox-on-ipad-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-free-spins-8-14-2021_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/codes-that-people-think-your-a-hacker-roblox_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_off00003164.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3164 22660 bytes
SHA-256: a271b12755ad7f04e350d8a69992f72822b1f96b2f7f9cd6c10b175f04eda8cb
font_01_sfnt_off00006394.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6394 18484 bytes
SHA-256: 487100d73f6d1c6bb9027b4b0f8fffe0540623d8809bb1f7b8366124ba2b3e2a

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