Malicious PDF — malware analysis report

Static analysis result for SHA-256 782606c6b2b6d6cc…

MALICIOUS

PDF

35.9 KB Created: 2021-07-04 01:32:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-16
MD5: b5382199881514696a82430d6075254a SHA-1: 43a367384ecdb18215090882f013865bc405b11c SHA-256: 782606c6b2b6d6cc8dfbd92d7055acbc1293950e7975cbf943f32adfb7e43b14
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/406889139/coin-master-unlimited-spin-hack-apk-game-hack In PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/how-to-get-game-pass-for-free-roblox_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/roblox-free-military-clothes_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/coin-master-free-coins-twitter_GM406889139.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/get-free-robux-live_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/free-robux-generator-no-human-survey_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/coin-master-hack-spin-link_GM406889139.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/hacks-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/jamaica-roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/roblox-hack-online-roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/minecraft-free-download-android_GM479516143.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/best-free-exploit-for-roblox_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • https://padang.indahkonveksi.com/ckfinder/userfiles/files/roblox-giveaway-top-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
stream_002_off00003414.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3414 23188 bytes
SHA-256: 3ed6255eeaf492d165b54345cb3ae2c2849bfa48ec4cafe55a1a404666a5e558
font_01_sfnt_off00006832.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6832 18876 bytes
SHA-256: 7e2ee907f2feac738be75e17c27693a65f159ea6ad788202b30771c529da622a

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