Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa844ef5ba297b09…

MALICIOUS

PDF

46.8 KB Created: 2021-05-31 12:52:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-06
MD5: 61406ec8ee98baea875a2e028bdada57 SHA-1: 7e6df805c924ad6f917c6c96fe546dcbcce63341 SHA-256: aa844ef5ba297b093e76442255756a26900312c60870ac1f85f90733f94ea210
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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/free-roblox-full-lua-game-hack In PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/emergecny-response-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/tiktok-like-bot-free_GM835599320.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/robux-hack_GM431946152.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-modded-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/scaciati-cheat-roblox_GM431946152.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/is-minecraft-free-on-ps4_GM479516143.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-your-computer_GM431946152.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.imparadigitale.it/wp-content/uploads/fsqm-files/coin-master-free-spins-link-today-new-2021_GM406889139.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
stream_004_off00004e58.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E58 30080 bytes
SHA-256: 2d9a7b3fe7ffe1c6922f2789429ac640f09a43b6f8dd07edb3127bc3a38a4326
font_01_sfnt_off00009472.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9472 18316 bytes
SHA-256: f9420c1f6e49db5a51c3f73f300c441a0a61393cbece4593cdaa8b0ecba8205d