Malicious PDF — malware analysis report

Static analysis result for SHA-256 e07dd05271e2654e…

MALICIOUS

PDF

46.5 KB Created: 2021-06-14 01:50:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: ed0e25f0e14948fe24344fb7a4f167ee SHA-1: 1a102c077e7a85a1821572fbeff71c0c0d78b3b0 SHA-256: e07dd05271e2654e6de9f5ff2e2c7b483af2526f8e89859ee075a5d3a6cc93cd
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs, with a primary focus on game-related cheats and hacks, such as 'Roblox Skyscraper Tycoon Cheats'. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates that these links are designed to redirect users to potentially malicious sites. While no scripts were explicitly extracted, the presence of embedded URLs and the lure of game hacks suggest an attempt to trick users into downloading malware or visiting a phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/roblox-skyscraper-tycoon-cheats-game-hack PDF link annotation
    • http://pustaka.bbppketindan.info/repository/pokemon-go-free-90hz_GM1094591345.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-cheat-to-get-free-spins_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-mster-free_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-free-spins-twitter_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/real-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/coin-master-hack-version-download_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/hacks-for-roblox-island-royale-for-bucks_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/minecraft-free-school_GM479516143.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/free-gold-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/pixies-gigantic-coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info//repository/coin-master-game-legitimate-hack-without-signing-up-or-shareing_GM406889139.pdfIn PDF document text
    • http://pustaka.bbppketindan.info/repository/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B30 25760 bytes
SHA-256: 3ce54698554b699b66903de19ade070ba3a7a56e07e5fbc54cb908ca45c90bca
font_01_sfnt_off00008453.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8453 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off000090fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90FB 18992 bytes
SHA-256: 2c7bf9affb63d27d1a903cf90842686b2a542c3f338979d8b25b4587cb0233e6

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