Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e6f0f002f4da54a…

MALICIOUS

PDF

33.6 KB Created: 2021-07-08 12:16:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 7271beb608ddcb635cdf5fdf7303fbff SHA-1: fef6f919b46a9624c140592da6de023b762e5984 SHA-256: 8e6f0f002f4da54ac8f7f81f8b431a9b61ff79cd6b4efc3303265a3a0c97670b
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/code-free-robux-game-hack PDF link annotation
    • http://tasleemdubai.com/userfiles/files/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/minecraft-bedrock-free-download-pc_GM479516143.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-34-5-hack_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/robux-xyz_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/roblox-weird_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/cute-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/village-coin_GM406889139.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/free-boombox-hackroblox_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://tasleemdubai.com/userfiles/files/is-roblox-hacked_GM431946152.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_off00002d49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D49 22128 bytes
SHA-256: e266a06a50de3d7fee23f0d4b60a2e707753508477520623cbcbd398810a0585
font_01_sfnt_off00005e96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E96 18888 bytes
SHA-256: e09a92444fffebeeb998468a77a403de4618986c60ca4254348b93199fa305b2

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