Malicious PDF — malware analysis report

Static analysis result for SHA-256 48672a549458a6a0…

MALICIOUS

PDF

33.0 KB Created: 2021-07-03 18:43:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: e2c40812a3e447268e92643b1048584d SHA-1: 06cdd9232aa505ce7663e7e3cb3684ee9b871ac0 SHA-256: 48672a549458a6a0b299117f8d89b6ea1de6c70ace56e3b9937be52cc053fd6f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free currency, directing users to a suspicious URL. The ML classifier strongly indicated maliciousness, and the embedded URLs and document body content reinforce the phishing and redirection attempt. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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/robux-prices-game-hack PDF link annotation
    • http://stitqi.ac.id/website//repository/what-is-coin-master-app_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/20-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/pokemon-go-fest-free_GM1094591345.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/get-gold-coin-master-village-hack_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/tiktok-likes-for-free_GM835599320.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-extra-spins_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/easy-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-coin-master-spins-link-download_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-robux-live_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-free-spin-and-coin-link-app_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/how-do-u-get-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/tiktok-free-100-likes_GM835599320.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/hack-to-get-20210-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/they-hacked-my-roblox-account_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/get-free-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
font_00_sfnt_off00002c72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C72 21868 bytes
SHA-256: f0e381dd352f607c82102f358d20ff704899ec975826f39b33e4d51b5ff08fb2
font_01_sfnt_off00005c8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C8A 18824 bytes
SHA-256: 917b2b595c85e899e08b6a40e7434d48f59ea0235caebc632e03070b6eb7ba4e

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