Malicious PDF — malware analysis report

Static analysis result for SHA-256 1938da6a852e39e3…

MALICIOUS

PDF

35.2 KB Created: 2021-06-19 22:47:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: adb57361e40d34485f710bb542828ade SHA-1: 5cb8a6b0825d1293f9caff27686120548ad85296 SHA-256: 1938da6a852e39e382f81f3d0a10bdef4d46837c1019a8a1317505a067ae9c10
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.co/app/431946152/conquerors-3-roblox-hack-script-game-hack PDF link annotation
    • https://perpus.poltekkesgorontalo.ac.id/repository/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/roblox-free-printables_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/free-roblox-groups_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/teach-me-to-hack_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/coin-master-free-cards-2021_GM406889139.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/coin-master-hack-2021-app-download_GM406889139.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/roblox-imagine_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/comment-avoir-des-robux-sans-hack_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/roblox-earn_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/mcpe-com_GM479516143.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/get-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/how-to-get-2021-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
    • https://perpus.poltekkesgorontalo.ac.id/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003019.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3019 22724 bytes
SHA-256: 0d778cc84ed8a4d306e3ba9a8e8148378a465e3a86997403d1f23daca3630564
font_01_sfnt_off000062e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E4 19540 bytes
SHA-256: dfafad8c5232398523993a50cb28da2d1bf19eee59f3fa58f8cc9db3c2ccb897

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