Malicious PDF — malware analysis report

Static analysis result for SHA-256 de74679f81cb21f1…

MALICIOUS

PDF

34.2 KB Created: 2021-07-03 23:55:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 92ab556d85e2fc34dcad34c3186ca998 SHA-1: b645cf526150d58614df62a8ef6eda62b7050052 SHA-256: de74679f81cb21f12b282ec9be400f93f8a42ccccd6f414c32594c846304485d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure for free game spins, directing users to a URL that likely hosts a malicious payload. The ML classifier strongly flagged this PDF as malicious, and the presence of an external URI further supports a malicious intent to trick users into downloading content. The document body and extracted URLs indicate a scam related to game cheats and in-app currency.

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.tw/app/406889139/100-free-spins-coin-master-game-hack In PDF document text
    • https://ibelive.com.tw/image/data/files/how-to-make-a-roblox-badge-for-free_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/roblox-robux-hack-no-download-or-survey_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/why-wont-cheat-engine-work-on-roblox_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-minecraft-gift-card_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-games-online-like-roblox_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/are-robux-generators-safe_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/minecraft-creative-mode-free_GM479516143.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/working-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://ibelive.com.tw/image/data/files/roblox-hack-page_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA6 22792 bytes
SHA-256: 5d965356bd84e4edc3c27417659cb0b05849097d6690492261c70cfd80a6614f
font_01_sfnt_off0000625e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x625E 18452 bytes
SHA-256: d0c04ff51ad59f6355ad4f24aeb86ad145506544650f67de66568f082738138f

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