Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc46b17357fdb0d2…

MALICIOUS

PDF

33.4 KB Created: 2021-07-20 00:52:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 682d143116ee4617cd2ae2cbf0dde54f SHA-1: cfa82b0f50b7e6df44ab9e62570d4632354029a2 SHA-256: bc46b17357fdb0d23265d5915b02a5352bc1c3da523fc966b42edb166d2f7ade
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to free Minecraft worlds and game hacks, directing users to malicious infrastructure. The document contains embedded URLs that lead to a known malicious redirector, which likely serves as a gateway to further malicious content or downloads. The presence of a visual download button and the overall structure suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/479516143/free-minecraft-worlds-game-hack In PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/minecraft-launcher-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/minecraft-free-play-no-download_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/minecraft-font-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2buleleng.sch.id/__statics/gudangsoal/files/minecraft-account-hacked_GM479516143.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_off00002d0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0E 23044 bytes
SHA-256: 29039e4718268f2ad1bfddeae907c6a2fb795272df7001f5bf8ed024b96eb27d
font_01_sfnt_off000060ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60EC 18156 bytes
SHA-256: 664c7195a075aff6dcec565529a8f8eee0b73719923e2c76767f815b88d63ca4

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