Malicious PDF — malware analysis report

Static analysis result for SHA-256 aee0cd2577d940f3…

MALICIOUS

PDF

33.7 KB Created: 2021-07-05 15:54:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 8edc30356cfba1e39bd834517681795d SHA-1: a9b2a1877e9be6cc6496add29c9a1c1cbc91f96a SHA-256: aee0cd2577d940f349bcc7b2c4d5081539807f981a86fdc7563ab1ee6dbd1f60
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free Robux' and game hacks, directing users to a suspicious URL. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs further supports a phishing or scamming attempt. No scripts were extracted, but the document's content and linked URLs suggest it is designed to redirect users to potentially malicious sites for credential harvesting or malware delivery.

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-2021-no-verification-game-hack PDF link annotation
    • https://www.sonestad.se/library/repository/coin-master-hack-iphone_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-get-free-robux-on-roblox-ios_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/pokemon-go-free-and-apple-watch_GM1094591345.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/hackear-juego-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-hack-pubg-uc_GM1330123889.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/creator-hack-script-roblox_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/send-me-500-2021-spins_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-no-download-no-hack_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/roblox-gang_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/hacks-roblox-descargar_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/minecraft-xbox-one-code-free_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-ios-gods-hack_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/robux-websites-that-work_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_off00002e2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E2B 21540 bytes
SHA-256: b416450377f250d47708a3b28045881d2e02c0c22593f8aa36030bdd4d191a50
font_01_sfnt_off00005d5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D5A 19476 bytes
SHA-256: 55ad41a6ce49086aa15382541082a2b64ef707ba2ed30a01096caf72f6ded3f0

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