Malicious PDF — malware analysis report

Static analysis result for SHA-256 f930d711728e4e8f…

MALICIOUS

PDF

44.4 KB Created: 2021-05-14 05:01:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5ca4f33f9280cdf1db2e393fe9a0007e SHA-1: 7f9b486579207eea287e6cc7b5cfb8544c61223b SHA-256: f930d711728e4e8fa7bad7f543e1e40a8eb42c644d53a8978445e0085a5b56a9
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links that redirect to websites offering game-related cheats and currency, such as 'free robux'. These links are flagged as malicious redirectors, indicating a phishing or scam attempt. The document body and heuristics confirm the lure is related to free game items, aiming to trick users into visiting potentially harmful sites.

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 https://netcdn.xyz/app/431946152/roblox-free-robux-website-game-hack In PDF document text
    • https://ceranique.nl/images/minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/roblox-com-free-play_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-hack-cydia_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-card-hack_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-survey_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-mod-apk-unlimited-spin-download-free-full-version_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/robux-2021_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-roblox-money_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-app-real_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-tricks_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/can-i-hack-coin-master-with-lucky-patcher_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
font_00_sfnt_off00004bab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BAB 27196 bytes
SHA-256: a7641fef9214b2279cbad16813841c90e7c7842ef9408880bb5bbfd13f540c83
font_01_sfnt_off00008a89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A89 18508 bytes
SHA-256: fbcd203c7e924a0ebec4ef4aa0eb55ec8b14d1abcc2767c4f5d3ad1ccc86f8e3

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