Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d182e52257f49cc…

MALICIOUS

PDF

41.4 KB Created: 2021-05-03 17:21:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ec2fa0d300f6ab5b2f6a346bb867489b SHA-1: ca289c324ed910c9f4c47fdafa0652598fb4c70c SHA-256: 0d182e52257f49cc68090db67de7283299dd544899b2e073cd121abe30547e1c
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 0.9941

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 https://netcdn.xyz/app/431946152/como-recuperar-una-cuenta-hackeada-de-roblox-game-hack PDF link annotation
    • https://lib.stie-yai.ac.id/repository/i-want-to-play-roblox-for-free.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-hacks-for-imac.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/descargar-hack-para-hackear-cuentas-de-roblox-descargando-algo.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-objet-2021-roblox-cape.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/games-on-roblox-that-give-you-free-robux-2021.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/https-nhelprobloxcom-hc-fre.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-cheat-on-your-roblox-discord-girlfriend.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-pet-free.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-get-free-braces-on-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-get-everything-free-on-roblox-2021-april.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_off0000415e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x415E 26636 bytes
SHA-256: ceee3ee41eb55b36dc389fdde75253b353caad63ed85c32cea49ab82608156a7
font_01_sfnt_off00007ce2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CE2 19388 bytes
SHA-256: 8ad64b7780f5d93ec2acfb565a90f5470bd56d3fd4062acd23eebf660e68a681

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