Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f9a83195bd7a4d6…

MALICIOUS

PDF

34.7 KB Created: 2021-07-05 16:06:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: c10c05908b4ebf82a0d77513186d4887 SHA-1: a83a4cd0cb59235167cf105d53f668b17afd4957 SHA-256: 8f9a83195bd7a4d60d7c3cb0ec822c3f2676e2c04ca8144881c330612515d11c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that are designed to lure users into clicking on them by promising game hacks and free items. The primary link, http://netcdn.tw/app/406889139/coin-master--hack-game-hack, is flagged as a game hack redirector. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.
  • 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
  • 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.tw/app/406889139/coin-master--hack-game-hack PDF link annotation
    • http://stiepariperpus.web.id/sarjana/repository/how-to-get-free-items-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-robux-hack-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-get-free-shirts-on-roblox-no-bc-2021_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-jailbreak-play-for-free-online_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-heaven_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-link_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/free-admin-commands-for-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana//repository/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-games-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-sell-t-shirts-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/robux-hack-2021-download_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/roblox-com-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-do-i-get-tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/uirbxclub-roblox-roblox-hack_GM431946152.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/coin-master-gold-cards-hack_GM406889139.pdfIn PDF document text
    • http://stiepariperpus.web.id/sarjana/repository/how-to-download-wurst_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
stream_002_off0000323e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x323E 22884 bytes
SHA-256: 2696a839ff41d8ad181582bfe17732d8f4c64808d7fa7f1ed2e6b90258845434
font_01_sfnt_off000065ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65AE 18004 bytes
SHA-256: 2f3a5855c5bac228d8d27cc7f61b57eebad79d58a924e470a0477843dff273c7

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