Malicious PDF — malware analysis report

Static analysis result for SHA-256 36d26087fc77106c…

MALICIOUS

PDF

15.6 KB Created: 2021-07-04 20:57:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 14903013984afb315a1cffc58ba8eb5a SHA-1: 2ba833e9fa893e56befe1f98008a0853174fb08a SHA-256: 36d26087fc77106c82c9a83dd2b2f3c2dc2534e7ca5ff40f7afd50767af400b2
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains links designed to lure users into clicking on what appears to be a game hack or free generator. These links redirect to malicious infrastructure, specifically http://netcdn.tw/app/431946152/roblox-free-robux-com-game-hack, which is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the document's structure and embedded links suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9917

Heuristics 3

  • 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.
  • 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/roblox-free-robux-com-game-hack In PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-paying-anything_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/free-roblox-pin-codes_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/roblox-how-to-get-obc-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/coin-master-free-spins-iphone_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/best-hack-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/free-robux-live_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/how-to-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/roblox-getting-hacked_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/lazy-blocks-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/free-robux-safe_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/how-i-get-free-robux-rbxrewards_GM431946152.pdfIn PDF document text
    • https://elearning.mtsalkhairaatternate.sch.id/__statics/gudangsoal/files/how-to-hack-to-get-free-robux-easy_GM431946152.pdfIn PDF document text

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