Malicious PDF — malware analysis report

Static analysis result for SHA-256 114f3daf8bac4b3e…

MALICIOUS

PDF

41.6 KB Created: 2021-05-13 18:33:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 63a8a8c266a7d765384cd3b98eeb087c SHA-1: c4fa64aa86dc66d29422661c3f460bf2c4f5365e SHA-256: 114f3daf8bac4b3e0ebbc02388ab6a3e32ed7d22d4de2e484ba78a2dd8317a3d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, disguised as game hacks and generators. The ML classifier also flagged this document as malicious. The embedded URLs and the heuristic firings strongly suggest a social engineering lure to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/479516143/how-to-make-a-minecraft-java-server-for-free-game-hack In PDF document text
    • http://shiny-nn.ru/images/bad-minecraft-free_GM479516143.pdfIn PDF document text
    • http://shiny-nn.ru/images/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://shiny-nn.ru/images/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/minecraft-mojang-free_GM479516143.pdfIn PDF document text
    • http://shiny-nn.ru/images/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
    • http://shiny-nn.ru/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/coin-master-hack-generator_GM406889139.pdfIn PDF document text
    • http://shiny-nn.ru/images/roblox-person_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://shiny-nn.ru/images/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
    • http://shiny-nn.ru/images/roblox-download-pc-free_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/what-is-wurst_GM479516143.pdfIn PDF document text
    • http://shiny-nn.ru/images/coin-master-free-spins--spins_GM406889139.pdfIn PDF document text
    • http://shiny-nn.ru/images/collect-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://shiny-nn.ru/images/robux-gainer_GM431946152.pdfIn PDF document text
    • http://shiny-nn.ru/images/coin-master-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://shiny-nn.ru/images/apps-to-get-free-robux_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
stream_003_off00004aca.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4ACA 23892 bytes
SHA-256: 27b182ad3627ebe824fc0a78e5f05e2eeb81e7bd249b4c35ab2e265fd44f9720
font_01_sfnt_off0000804d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x804D 18324 bytes
SHA-256: 8dc142bc7e6132cc43f81519c448dbddadbc7e5fdd921c0c5040c748722dd43f

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