Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d0ddac4d56c0d54…

MALICIOUS

PDF

33.1 KB Created: 2021-06-30 08:02:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: cb33ed15a8118eb58d1272ffdc0493f5 SHA-1: 54e1a812735743c74ef32fcee88d1c8330487f64 SHA-256: 9d0ddac4d56c0d54b854d48e6acdf5c414ab8e6c15db92f210b8c12b4fc42097
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 0.9824

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/how-to-download-a-hack-for-roblox-2021-game-hack PDF link annotation
    • http://library.stikessuakainsan.ac.id//repository/my-minecraft-account-was-hacked_GM479516143.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/como-hackear-personas-en-roblox_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/teach-me-to-hack_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/roblox-2021-hack-hats_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-robux-no-bot-check-for-real_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/coin-master-spin-link-free_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/download-coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/hack-roblox-2021-jailbreak_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/minecraft-114-4-download_GM479516143.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/coin-master-spins_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-roblox-girl-hair-not-a-model_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/how-to-get-free-roblox-game-passes_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/pokemon-lets-go-free_GM1094591345.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/coin-master-official-website_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-roblox-menus_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_off00002ae3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE3 21728 bytes
SHA-256: 19799a0196efcc3c6791428b16f787adca13ea4d7c2a6c4c2c48e8129b5605c7
font_01_sfnt_off00005a65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A65 19728 bytes
SHA-256: 7303e06de1f305108e9f574e79fdd9657c0fa93238f0906b630a69b4d422978a

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