Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9ce965fb392fc0c…

MALICIOUS

PDF

33.7 KB Created: 2021-07-05 02:56:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: a2d453cde23c12cbe286c8ef7b9e955e SHA-1: cb73049beeb35d067efebba7c204a7139a19a0e6 SHA-256: d9ce965fb392fc0c43bfc88148b8a056c4375f73a4377182228218ad4d1e094e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/431946152/free-robux-master-game-hack PDF link annotation
    • http://balitgetas.co.id/pustaka/repository/roblox-powering-imagination-roblox-hack_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-dungeon-quest-cheats-reddit_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/client-minecraft_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-free-robux-by-pressing-g_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-hack-no-survey-or-verification_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-change-your-name-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-views-on-tiktok_GM835599320.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-hack-a-minecraft-server_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-robux-codes-june-2021_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/minecraft-reach-hack_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-daily-free-coins-link-today_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/robux-premium_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-2021-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-daily-free-coins-link_GM406889139.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_off00002e01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E01 21960 bytes
SHA-256: 5377002e2e23da9ba77d76437f3894cf9922614f24e754749e6bd528527517e6
font_01_sfnt_off00005e86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E86 19016 bytes
SHA-256: 0711aa3722a358e6535bb0e0d6488ab3bb261fec109fcb3e968137a95c51a284

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