Malicious PDF — malware analysis report

Static analysis result for SHA-256 05f080c250d6dbad…

MALICIOUS

PDF

34.5 KB Created: 2021-06-30 06:59:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 93642debea2672775707fd731ec55ff6 SHA-1: 23b881c6419f5fd0bb1992a51aabf7a0574bfed4 SHA-256: 05f080c250d6dbadc3c9116409c795c5755ae7e9f2f4f31d02e8041933c1e9e0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that lead to a known malicious redirector, promising free game hacks and currency. The document body and heuristics confirm this lure-based approach, aiming to trick users into visiting the malicious URL. No scripts were extracted, but the primary attack vector is the malicious link.

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.co/app/431946152/100-free-robux-daily-game-hack In PDF document text
    • http://library.atim.ac.id/repository/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/hacking-ryrylol3-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/tiktok-comments-free_GM835599320.pdfIn PDF document text
    • http://library.atim.ac.id/repository/noclip-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/can-i-hack-roblox-with-c_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-apocalypse-rising-hack-exploit_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-get-free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/cheat-codes-for-tower-defense-roblox-2021_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/play-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/hack-de-coin-master_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/hacks-on-roblox-app_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/robux-hack-no-human-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-can-i-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-script-executor-roblox-2021_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/easy-hacks-of-money-for-rocitizens-roblox_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/all-free-catalog-in-roblox_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-spin-software_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-coins-coin-master-today_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-hack-someone-easy-on-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_off00002f05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F05 22272 bytes
SHA-256: 97c8a80fc202cdf6309f2a597d3403e7069a569752ab0dac5bce3138875feff6
font_01_sfnt_off00006058.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6058 19536 bytes
SHA-256: eaea54a0916a6a1b2044a98df11ca3350e9eb7e976a08fdccaa93867d42f4e0f

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