Malicious PDF — malware analysis report

Static analysis result for SHA-256 e64be35908e6ef66…

MALICIOUS

PDF

34.4 KB Created: 2021-07-06 10:30:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 41abf4fa36b8cab9dba42a2fbff91a47 SHA-1: a9cad5b0749ad58017b1277d90a695c48574e5d7 SHA-256: e64be35908e6ef667357da93d4bc3f8a3799ff834dcb5b91189fea78355f769e
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/406889139/coin-master-download-game-hack PDF link annotation
    • http://sttlets.education/senayan/repository/roblox-cheat-engine-hacks-2021_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/tiktok-free-6-months_GM835599320.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/dominus-roblox-free_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-hack-accounts-password-2021_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/rbx-hut_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-bc-for-roblox-codes_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/free-avatar-roblox_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/good-roblox-hacker-names_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-get-robux-free-pastebin_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/try-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/www-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-774-hack_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-no-survey-no-download-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-ro-ghoul-cheat-rc_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-put-music-into-any-roblox-game-hacks_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-blood-of-iron-hack_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/minecraft-114-4-download-free_GM479516143.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_off000031d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31D0 22308 bytes
SHA-256: f55f6ccd858e6ee7517917aba15e33c5eb74e5b76644176cd7f7dba88c9178e0
font_01_sfnt_off00006362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6362 18416 bytes
SHA-256: 2dae9065557d4abee0d90e33e108154adc80bbe88806c0a6868c23c69d74ef0f

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