Malicious PDF — malware analysis report

Static analysis result for SHA-256 7827fd06dafb8a42…

MALICIOUS

PDF

45.9 KB Created: 2021-05-14 08:51:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 7cd7bb92ad9d3ef39f4d9958d1a67725 SHA-1: 7e3eb9fd79b8169b85698e9564570710f31fcc8b SHA-256: 7827fd06dafb8a42db33f5c5eac45f155f90006519aa61768d86f57edcb388ff
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

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/431946152/robux-giver-game-hack In PDF document text
    • http://www.equistop.it/images/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/free-minecraft-server-hosting-with-plugins_GM479516143.pdfIn PDF document text
    • http://www.equistop.it/images/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
    • http://www.equistop.it/images/ww-roblox-come_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/roblox-tracker_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.equistop.it/images/how-to-get-free-gamepasses-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/coin-master-time-speed-hack_GM406889139.pdfIn PDF document text
    • http://www.equistop.it/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/coin-master-hacksco_GM406889139.pdfIn PDF document text
    • http://www.equistop.it/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/coin-master-free-spins-deutsch-download-ios-link_GM406889139.pdfIn PDF document text
    • http://www.equistop.it/images/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • http://www.equistop.it/images/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/i-need-robux_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.equistop.it/images/coin-master-hack-pro_GM406889139.pdfIn PDF document text
    • http://www.equistop.it/images/free-coin-master-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.equistop.it/images/robuxy-com-generator_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_003_off00004960.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4960 27788 bytes
SHA-256: b24fafa7d6bd87f031c9c30a1f4192e7acc6c84ed03af9155790b55c7f833ae9
font_01_sfnt_off000087c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87C5 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off00009165.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9165 18084 bytes
SHA-256: 7a12c9f5eb0a0db1f8f257aa9a01d8091f877bc5a7f544a47565c95aa29e59f6

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