Malicious PDF — malware analysis report

Static analysis result for SHA-256 5184ffb84ab86b87…

MALICIOUS

PDF

33.5 KB Created: 2021-07-06 08:31:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: cdafe8ae79dcc890d2a6ea8a74a552c5 SHA-1: e2769c12faf56bb761028e422895317b0fd63183 SHA-256: 5184ffb84ab86b8718bd9ddb75690f86c82a15929d072b07494577b22c1cdd54
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/android-coin-master-hack-game-hack PDF link annotation
    • http://xenonsvjetla.com/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/mcpe_GM479516143.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/hacker-roblox-id-code_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-roblox-card-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/fight-the-monsters-roblox-hack_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/40-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/no-pants-roblox-free_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/free-400-robux-promo-code_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/roblox-prison-life-btools-hack_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/hack-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/free-robux-no-human-verification-2021-or-survey-or-offers_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-minecraft-server-hosting_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_off0000306d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x306D 21764 bytes
SHA-256: da9606c644bcd7dd3cfcd38cc93112169bb6cdd5d8ce81e0d5608394c83a3f12
font_01_sfnt_off00006056.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6056 18180 bytes
SHA-256: d7773a29a673a208b6d200402e61642db223fdeec88ef93556c17ce64820434a

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