Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c8f7537f8ae8dca…

MALICIOUS

PDF

16.0 KB Created: 2021-06-30 19:22:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 349bd883240455e444371e28b9122f18 SHA-1: cbe0dcffd7569155d754b296a59fb4317e74141a SHA-256: 6c8f7537f8ae8dca898bb74a4a7c692cc898cdf02868df8076ecd5394cdfadb7
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. It uses a callback-phone (TOAD) lure. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9939

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/479516143/free-multiplayer-minecraft-server-game-hack PDF link annotation
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/instant-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-anarchy-server-no-hacks_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/get-free-rainway-nation-shirts-and-pants-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-hack-a-computer-in-roblox-flee-the-facility_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/i-want-to-break-free-roblox-version_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-free-download_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/hacks-and-cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/how-to-get-free-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/hack-coin-master-ios_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-roblox-exploits_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/robux-websites-that-work_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtspersissindang.sch.id/__statics/gudangsoal/files/free-robux-add-ons_GM431946152.pdfIn PDF document text

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