Malicious PDF — malware analysis report

Static analysis result for SHA-256 0373eb4b10bd14a2…

MALICIOUS

PDF

35.0 KB Created: 2021-06-26 12:12:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 20c8479e65b905cfaea13ee7877c7849 SHA-1: 7feadcc534e1ca5099c9a78eacff9f9ba809c894 SHA-256: 0373eb4b10bd14a27cd99ab6fc5e227e105944af1dd94a0a0981d111c6c014bf
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of free virtual currency and game hacks to entice users. It contains multiple embedded URLs, with a primary redirector identified as http://netcdn.co/app/431946152/free-robux-actually-works-pink-sheep-game-hack, which is known to host malicious content. The document's structure and embedded links strongly suggest it is designed to lead users to potentially harmful websites, likely for further exploitation or credential harvesting.

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/free-robux-actually-works-pink-sheep-game-hack In PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/roblox-tokyo-ghoul-bloody-nights-level-hack_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/free-hair-advance-roblox_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/sign-up-for-roblox-for-free-safe_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/free-robux-guuudinfo_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/free-robux-survey_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/free-roblox-accounts-dantdm_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/freer-pro-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/roblox-characters-with-free-items_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/10m-8-7m-17-free-robux-daily-robuxian_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/robux-redeem-card-free_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-really-fast-and-easy_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/guudinfo-roblox-hack_GM431946152.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • https://lms.mtsn3trenggalek.sch.id/__statics/gudangsoal/files/hackear-roblox-android_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_off00002f16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F16 22388 bytes
SHA-256: 44896ff3648e837369e69b6c5eb4e0f24a49810720c66d7e02f16f4d41c0e89d
font_01_sfnt_off000060fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60FE 20056 bytes
SHA-256: 532c01f4cf90823c9dc462816c727c0ece51dfc6bfbb4a2e6a6eea3aa8ba61c3

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