Malicious PDF — malware analysis report

Static analysis result for SHA-256 d98fcc3913df4b0b…

MALICIOUS

PDF

42.1 KB Created: 2021-05-16 23:22:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f01d4bd8223b458c073410e5663ca308 SHA-1: 74cd6690e00b3ce94d3a1dc64cd7b9d975143730 SHA-256: d98fcc3913df4b0b3d70e47df104b0ed624e49f4b8a79c2e4ce183c6b021055c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains embedded links that redirect to malicious websites, masquerading as "free generator" or "game hack" lures. The document body and heuristics indicate a clear intent to trick users into visiting these sites, likely to download further malware or engage in credential harvesting. No scripts were extracted, but the presence of malicious redirectors and the overall lure suggest a phishing or social engineering attack.

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-get-free-skins-in-minecraft-game-hack In PDF document text
    • http://asiashop-france.fr/images/spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://asiashop-france.fr/images/free-roblox-clothes-and-hair_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/coin-master-online-hack-tool_GM406889139.pdfIn PDF document text
    • http://asiashop-france.fr/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/coin-master-free-spins-android_GM406889139.pdfIn PDF document text
    • http://asiashop-france.fr/images/websites-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/promo-codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/daily-free-coin-and-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://asiashop-france.fr/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
    • http://asiashop-france.fr/images/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://asiashop-france.fr/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://asiashop-france.fr/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/wurst-18_GM479516143.pdfIn PDF document text
    • http://asiashop-france.fr/images/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/minecraft-pe-server-hosting-free_GM479516143.pdfIn PDF document text
    • http://asiashop-france.fr/images/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://asiashop-france.fr/images/minecraft-hack-download_GM479516143.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_off00004ac5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AC5 25256 bytes
SHA-256: 31f7b0e2b11d5c6c93665be401347940f4e31610e1488ab225545e3aa68ba1fc
font_01_sfnt_off000082e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82E5 18044 bytes
SHA-256: 6cc59c28d5557832b1af72f7b0f143d8adff3a85e9aacd177c0586c4e7a11f45

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