Malicious PDF — malware analysis report

Static analysis result for SHA-256 5860e0bd4af48033…

MALICIOUS

PDF

45.6 KB Created: 2021-06-03 10:06:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 36d67c2e44c5d8e5428ed384f6e17b66 SHA-1: 7180c33446f8b91b30973e386b74add9914b4f8f SHA-256: 5860e0bd4af48033ceaa249c4e619aeb945338ceeda76b70f406655d1693392a
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/406889139/free-spin-coin-master-today-game-hack PDF link annotation
    • http://slims.abulyatama.ac.id//repository/coin-master-free-spins-iphone-2021_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-hack-pc-download_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-roblox-website_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/coin-master-daily-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/easy-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/toolbox-for-minecraft-ios_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-hack-ios-without-verification_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-spin-link-list_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/how-to-hack-coins-in-archery-master-3d_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-minecraft-wallpaper_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-hax_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_off000054d2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x54D2 25728 bytes
SHA-256: 61993925e6b8d86261e8853484e2d73a9fe6940efabd9782fdc6d941185f7c91
font_01_sfnt_off00008fa7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FA7 18240 bytes
SHA-256: 75d5000e8f1c13244b223f0a61b12b9b535d128d76c8bd265699ae4a18287ba3

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