Malicious PDF — malware analysis report

Static analysis result for SHA-256 7932a1e876e9781f…

MALICIOUS

PDF

49.1 KB Created: 2021-06-10 13:53:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 294b12e0bcbb3b172bd7232586fdc64b SHA-1: 51e6258b7e9d8a578a66d87878abb04d0c48b223 SHA-256: 7932a1e876e9781f8da5a9acefbf195b1c762244b0e3ce3d0d4791a5f6a5527d
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/roblox-one-piece-millenium-hack-game-hack In PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/robloxfun-com-robux_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-minecraft-svg-cutting-files_GM479516143.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-game-free-play-online_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/buy-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/roblox-hacks-for-mac_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-hack-version-download-2021-ios_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/cute-free-roblox-clothes_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/get-free-roblox_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/pokemon-go-free-meltan-box_GM1094591345.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/roblox-skin-free_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/roblox-comroblox_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000556c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x556C 24692 bytes
SHA-256: 4a40f5253fc0e332eb6f785f0765b0de32d89a9c6201d1b08fad82b78626517d
font_01_sfnt_off00008eb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EB7 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00009b5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B5E 19052 bytes
SHA-256: e034d7ccf356dec385d2a2b376ab4c3b8f781b2d09abd4f0952207c9ecf4a9ec

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