Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e57d418006bc80a…

MALICIOUS

PDF

34.9 KB Created: 2021-06-19 04:24:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e58bc5e7ad6ed82e9e67ed7e325a2a97 SHA-1: ad8c54858d707ce864e392b4545d96a7e9aaef1e SHA-256: 1e57d418006bc80a5083b695dc18a89c75ecef47df74c997384f07a4014934d0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on what appears to be a generator or hack for popular games. The primary link, http://netcdn.co/app/431946152/how-to-get-hacks-for-roblox-jailbreak-game-hack, is flagged as malicious and part of a redirector infrastructure. The document body, though partially corrupted, also contains numerous URLs pointing to similar lure content, suggesting a campaign distributing potentially unwanted or malicious content through deceptive links.

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/how-to-get-hacks-for-roblox-jailbreak-game-hack In PDF document text
    • http://www.pro-futuro.eu/images/how-to-hack-dead-winter-roblox-mac-download_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/free-tiktok-likes-no-human-verification-or-download_GM835599320.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/roblox-robux-card-hack_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/deathrun-is-free-in-roblox-player_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/roblox-lawsuit_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/minecraft-nintendo-switch-digital-code-free_GM479516143.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/client-minecraft_GM479516143.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/roblox-rs-cheat_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/hack-tiktok-fans-free_GM835599320.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/greasyfork-free-robux-script_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/free-robux-no-hack-ios_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/rbx-free_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/coin-spin_GM406889139.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/how-to-get-free-robux-on-laptop-easy-2021_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/free-bobux_GM431946152.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/roblox-slurp-hack_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_off00003111.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3111 22392 bytes
SHA-256: 0fdf60fc6096ed1b0287c042d9890d0f851a854681987ec7a6c2620bb06ff300
font_01_sfnt_off000062d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D4 19188 bytes
SHA-256: be5530696009b4008e5eec4a7212cec37dbb37cb54c109bfbf782a49a0dc7e6f

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