Malicious PDF — malware analysis report

Static analysis result for SHA-256 f80e4eb5c384ae0a…

MALICIOUS

PDF

34.4 KB Created: 2021-06-18 09:03:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8168a3ef12c36e260b9e06bf3b52eb0b SHA-1: 58d3f7fe1f55aee18123b8310ec085e3ecf9b7a3 SHA-256: f80e4eb5c384ae0a9b7ab593373a97b4a56fcae534573b103e9205dfa12b9692
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites, including a known malicious redirector. The document body and heuristics suggest a lure for game hacks or cheats, aiming to trick users into visiting these sites. The primary link identified, http://netcdn.co/app/431946152/roblox-the-app-for-free-game-hack, is associated with malicious redirector infrastructure.

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 http://netcdn.co/app/431946152/roblox-the-app-for-free-game-hack In PDF document text
    • http://www.taxiaparis.fr/images/roblox-fly-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/roblox-jailbreak-noclip-hack-no-download_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/donald-trump-free-robux_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-ultra-attack-hack_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/minecraft-free-download-apk-softonic_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/roblox-hack-download-2021_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-mode-menu-works-roblox_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/minecraft-hacked-client-bedrock_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coinmaster-gps-user-review-coinmaster-coin-master-hack-pagedemo-index_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/get-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-card-hack_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/roblox-free-followers_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
font_00_sfnt_off000030eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30EB 22160 bytes
SHA-256: e796fe1ce465c7e75ca415f7ad9f43721937348f38accffa2c4dd3f9b47ec5e4
font_01_sfnt_off0000624c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x624C 18804 bytes
SHA-256: 6dad36c2265c42dd4362f3024d73c62daa2796a8c1f6673908ff23d1cdfcb63c

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