Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3320b0e23fa8c7…

MALICIOUS

PDF

34.7 KB Created: 2021-06-28 11:35:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 9f955f4fd5885fb4e75c589a458e86dc SHA-1: 31747589d094abb7428ba6ef02371275c7b28815 SHA-256: 4e3320b0e23fa8c715019b9b8ff1b5f9820f2097dbe43b5744725887de00902a
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.co/app/431946152/free-roblox-sex-game-glory-hole.-game-hack In PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/hack-robux-infinitos-en-roblox-pastebin_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/synapse-roblox-free-download_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/how-to-hack-roblox-accounts-2021-march_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/dominus-rex-for-free-roblox-extreme-hacks_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/how-to-get-free-roblox-clothes-without-builders-club_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/games-to-get-me-free-roblox-now_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/hack-rc7-roblox-download_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/did-momo-hack-roblox_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/free-robux-map-uncopylocked_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/how-do-you-lv-up-in-hacking-simulator-roblox_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/free-roblox-pokemon_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/coin-master-cards-free-cards_GM406889139.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/2021-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/roblox-kazotsky-kick-script-pastebin-hack_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/growbux-roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • https://pasca.unisba.ac.id/elibrary/repository/how-to-get-free-itunes-for-promo-codes-in-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_off00002fa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA5 22728 bytes
SHA-256: b6d291fe0c642c9a9eb583e47be9be214227b7e0d2734bfbd8d4f282358dedab
font_01_sfnt_off0000624e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x624E 19156 bytes
SHA-256: ab90a83d6eca62af005dcebf55d168dc0447eb9865d211359226c4e7314f6c9f

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