Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3cee099736a5e74…

MALICIOUS

PDF

33.2 KB Created: 2021-07-20 07:36:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 89cb6b87b619c83628188170d5b0bc65 SHA-1: d7fe95962de70936306ee2435760a6d6b0d30237 SHA-256: f3cee099736a5e74dcabd5c91140a6635cb4f9b6afd23a196e63a657a2fc6020
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure related to 'Minecraft Hack Download' and 'game hack' to entice users. It contains multiple links to known malicious redirectors, including http://netcdn.tw/app/479516143/minecraft-hack-download-game-hack, which likely serves as a gateway to further malicious content or downloads. The presence of a visual download button further supports the deceptive nature of the document.

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/minecraft-hack-download-game-hack In PDF document text
    • https://shjbottle.com/upload/files/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/minecraft-education-edition-free_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/minecraft-windows-10-free-with-java_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://shjbottle.com/upload/files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C87 22732 bytes
SHA-256: 7cd716d10017f239edfc20520ea275c2cedbabf8e196b7561c4687367e34890c
font_01_sfnt_off00005f22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F22 18460 bytes
SHA-256: 1986b917a50867421859734d90e96ce19f33df6ec3e97c13366e475f22860bb7

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