Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd07d569d784c1fc…

MALICIOUS

PDF

34.3 KB Created: 2021-06-28 13:42:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 0117e74604a26bc4764f512f40060246 SHA-1: 185851558b55e97ba30b31d16324c10d480c1223 SHA-256: bd07d569d784c1fc447f6935026b097a344b0c3797c3c5348cb4e3c9b1f9726d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to sites promising game hacks and generators, a common lure for malware distribution. The ML classifier also flagged this PDF as malicious with high confidence. The document body and heuristics indicate a clear intent to trick users into visiting a URL that likely leads to a malicious download.

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.co/app/431946152/base-wars-health-hack-roblox-game-hack PDF link annotation
    • https://opac.itp.ac.id/repository/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/hack-card-collection-coin-master_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/bloxland-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/real-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/roblox-coll-free-hair_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/pirate-simulator-roblox-hack_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/how-to-ban-someone-on-roblox-with-cheat-engine_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-tiradas-gratis-link_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-free-spins-16-04-19_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/roblox-studio-free-templates_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/cheats-coin-master-free_GM406889139.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/snowed-out-roblox-hack_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/how-to-cheat-points-on-earn-robux-gg_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/how-to-hack-roblox-jailbreak-2021-money_GM431946152.pdfIn PDF document text
    • https://opac.itp.ac.id/repository/coin-master-free-spins_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_off00002f78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F78 22168 bytes
SHA-256: 652e769c2b65ff2cbc4981f16a2565dfff8d1e94d6e6148b7e2a5f13da55e92f
font_01_sfnt_off000060b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60B5 19124 bytes
SHA-256: 84ba8736b6411502d89c1388cf6b5575fc9051043cab1bb30ecdb1699acdb9ba

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