Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e8c89502dba305…

MALICIOUS

PDF

42.7 KB Created: 2021-05-19 17:49:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: cafaf83530376309e7ddbebc3344fea7 SHA-1: 3d5030dcc7afbe2e5a73de1ab939e38025eab20d SHA-256: d3e8c89502dba305f7e46bec515b69932c2fd81371c2572db2520d2aaf05c176
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/406889139/coin-master-heaven-links-game-hack In PDF document text
    • https://bgescc.com/images/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-free-spins-cheat-deutsch_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-free-spins-cash_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/roblox-builders-club-free_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/how-to-get-roebucks_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-daily-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-34-4-hack_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/haktuts-free-spins_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-free-spins-and-coins-link-today_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/202100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-free-coins-link-blogspot_GM406889139.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_003_off00004af8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AF8 25864 bytes
SHA-256: 9d5484b65ebf807f7c2775f7b284cd98e92fbf340e494f6bbbcf95719e5d81c3
font_01_sfnt_off000085da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85DA 17828 bytes
SHA-256: 86bc3ccbb1f0b7eb9d1186ac4a23e04190280488fc5550aa3b02c029ce2559b9

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