Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbe6c2479c643f8f…

MALICIOUS

PDF

41.5 KB Created: 2021-05-16 11:12:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c1d4e9c56539a6386441b8e522ee8f6d SHA-1: 20315c3e8cdee8d73def4b3e6f9079e67ec36125 SHA-256: dbe6c2479c643f8f9be3c1f4f8814bdd0a03e12ad0c0ae699d5e2543a10fe8cc
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 'game hack' or 'free spins' generator. The primary link redirects to a known malicious infrastructure, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious redirection workflow, likely intended to lead users to a credential harvesting or malware download site.

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/406889139/coin-master-free-spins-link-today-facebook-game-hack In PDF document text
    • http://www.lionel-seppoloni.fr/images/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-robux-app_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/coin-master-collect-today-free-spin_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/roblox-inappropriate_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/www-roblox-robux_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/coin-master-32-android-mod-hack-apk-download_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/coin-master-free-spin-redeem-code_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-links-to-coin-master_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-daily-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/coin-master-free-spins-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
    • http://www.lionel-seppoloni.fr/images/free-robux-without-verification-2021_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_off000047b0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47B0 25120 bytes
SHA-256: a3d10fb67d75d9f1fdf77568924ae1bc4fe3a62f2f96814d66cb0a84a11f742c
font_01_sfnt_off00007ece.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ECE 18568 bytes
SHA-256: 976bad0f84eadf36fe6397f68da5c043a767fda9c526d6325df07f5c92c7ef85

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