Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea1015e5bed2f4f0…

MALICIOUS

PDF

46.0 KB Created: 2021-05-19 03:02:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 0aed35068b1f4679f7b1108ed0a0b5f5 SHA-1: 1380a90f9f1c96f705e8d684c09b652ee2fa5430 SHA-256: ea1015e5bed2f4f043b9b9f69b29792513e122918db5efcdf63507795b8c953f
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 https://netcdn.xyz/app/479516143/minecraft-pc-download-free-full-version-game-hack PDF link annotation
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/easy-robux-today_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/pubg-uc-on-discount_GM1330123889.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/free-minecraft-mods-for-ps4_GM479516143.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/free-robux-only-username_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/coin-master-hacks-for-cards_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/coin-master-hack-lost-world-2021-com_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/how-do-i-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/coin-master-exchange-40-free-spins_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/como-hackear-el-juego-coin-master_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • https://e.mtsattaqwa10terpadu.org/__statics/gudangsoal/files/inappropriate-roblox-games-2021_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_003_off0000499b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x499B 33676 bytes
SHA-256: 0656bf3f167c178a3342f51945b6b04eeb1eb46332f8d85372f72041f79b7346
font_01_sfnt_off0000909d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x909D 18716 bytes
SHA-256: 489221dfcb925ba69d0ba840bced02970ab19491774c28c5754cc19987365276

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