Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc0d61468d8cdee7…

MALICIOUS

PDF

44.2 KB Created: 2021-06-03 05:49:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 91c07f460f02364dd058475273e50299 SHA-1: ab1010a2d16dbea7394d4d3ba7099bcb1d371278 SHA-256: fc0d61468d8cdee709ce2cae72c2abf403f355fd99009a7de7fd901bc97ee756
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a lure related to game hacks, specifically mentioning 'mcpe-master-coins-hack'. The primary malicious URL identified is https://netcdn.online/app/406889139/mcpe-master-coins-hack-download-game-hack, which likely serves as a download redirector for malicious payloads. The document body and heuristics indicate a social engineering tactic to trick users into downloading potentially harmful software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/406889139/mcpe-master-coins-hack-download-game-hack PDF link annotation
    • http://perpus.wdh.ac.id/repository/master-free-spin_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/minecraft-apk-android-free_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-spins-coin-master-2021-no-verification_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-35-16-hack-apk_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/how-to-get-more-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/minecraft-toolbox-premium-apk_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/aternos-free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/how-to-use-wurst_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/gamehunters-club-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/minecraft-beta-free_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-free-spins-for-iphone_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-spin-and-daily-news-coin-master_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
stream_004_off00004f46.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F46 25980 bytes
SHA-256: 339f0877193fdd2cbc8546ea393e5128740451a9a1298b3ef760b78aca86ec9b
font_01_sfnt_off00008983.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8983 18472 bytes
SHA-256: d90a51be2fb0e46f52fe818f09ffb57ced98c32b74c64ba127c312db9c6591fd

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