Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ae096f8448a0042…

MALICIOUS

PDF

46.0 KB Created: 2021-06-03 06:07:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 6e3141d8cad6065140f8e5d7c76a7883 SHA-1: d22e0215737bdd64bbeaff9a8d41b169dbcea5d2 SHA-256: 9ae096f8448a0042fb9934f702c5fe49d3c974441a39406f0aabf9c551390f91
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 0.9864

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.online/app/479516143/minecraft-pocket-edition-download-free-pe-calculator-game-hack PDF link annotation
    • http://pustaka-smpn3tpi.com//repository/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-event-hack_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/coin-master-level-4_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/apps-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-apk-hacked-3526_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/legitimate-coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/coin-master-daily-gifts_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/easy-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-free-spins-2021-app_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/free-minecraft-skins-pc_GM479516143.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/roblox-getting-hacked_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/free-robux-picture_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com//repository/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/coin-master-free-spins-link-download-apk_GM406889139.pdfIn PDF document text
    • http://pustaka-smpn3tpi.com/repository/roblox-moderators_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
stream_004_off0000572c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x572C 25416 bytes
SHA-256: 289c4bb4d54b42915b401d67dd3f97314baf829cd516a85069c161f2e2e37bf2
font_01_sfnt_off00009044.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9044 18752 bytes
SHA-256: 8668002c62b81273482b61da1613b994afc8b764b14ec7b2ef260aeb97363f7c

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