Malicious PDF — malware analysis report

Static analysis result for SHA-256 edb2219a6f8062ab…

MALICIOUS

PDF

34.8 KB Created: 2021-07-08 09:47:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 66a6072d4ad7a1aa136da2d7c5f82077 SHA-1: a0b56ef6bac11c1ac68a744cf67062bd7abecc17 SHA-256: edb2219a6f8062ab91458b1e71405fa4c85e18e2217d175f1e64dcead0a61b2d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, disguised as game hacks and free generators for popular games. The primary malicious link, http://netcdn.tw/app/431946152/avatar-the-last-airbender-roblox-game-hack, is designed to lure users into downloading potentially harmful content. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an attempt to trick users into visiting malicious sites, likely leading to further malware downloads or phishing attempts.

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/431946152/avatar-the-last-airbender-roblox-game-hack In PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/how-to-hack-at-roblox_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/freer-tiktok_GM835599320.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/how-do-you-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-spin-coin-master-apk_GM406889139.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-roblox-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-promo-code-2021_GM406889139.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/hacking-ldshadowladys-roblox-account_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/roblox-bee-swarm-hack-for-treats_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/claim-free-robux_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-group-roblox_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/free-robux-safe_GM431946152.pdfIn PDF document text
    • https://daring.mtsn7sumedang.sch.id/__statics/gudangsoal/files/roblox-earn_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_off0000313f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x313F 22368 bytes
SHA-256: 7493748de2ab7294bf4d2706f855c135b853651b58badbd8e2316cbb1226704e
font_01_sfnt_off0000628b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x628B 19164 bytes
SHA-256: e5caef92e10acfe475c8e4ac8f61f43e5b3c6f19c7213382c9bcf75c0cc4362e

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