Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8e154b653f29fb0…

MALICIOUS

PDF

34.7 KB Created: 2021-07-05 16:09:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 53b7022c0a60fd1e4ced72c5e17b79de SHA-1: 09596bb46d21ad2f1ed8e63f9eaa01d3cdbbdc71 SHA-256: b8e154b653f29fb072c613b523b2ced9831fabded6d5439c1fb2eeba3cda279c
160 Risk Score

Malware Insights

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

This PDF document contains multiple links that redirect to malicious infrastructure, specifically advertising 'game hacks' and 'free generators'. The primary redirector URL is http://netcdn.tw/app/479516143/minecraft-fly-hack-game-hack, which is flagged as malicious. The document's content and structure strongly suggest a lure to trick users into downloading potentially harmful files or visiting compromised websites.

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.tw/app/479516143/minecraft-fly-hack-game-hack In PDF document text
    • https://www.sonestad.se/library/repository/minecraft-menu_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-2021-december_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/114-hacks_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/will-minecraft-ever-be-free_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/daily-coin-master-link_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hack-here_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/june-29-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/tiktok-free-view-iphone-survey_GM835599320.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-many-levels-are-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-free-spin-redeem-code_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/rewards-roblox_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hack-online-download_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-make-hacks-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/microsoft-rewards-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/pasos-para-hackear-coins-master_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hacks-for-spins_GM406889139.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_off000032b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32B4 22796 bytes
SHA-256: 7a0be39e4bdcc7e1b2665fbf03dbe05cea5199eadbf9bb287e6c469e8fa3e902
font_01_sfnt_off00006540.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6540 18280 bytes
SHA-256: 56f87322d6175f5188b2f3e54b3290a6e5898c7bed8f3d8c577e55e984b17e01

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