Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9642f8dc8094f93…

MALICIOUS

PDF

34.2 KB Created: 2021-06-27 23:00:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 73579f43ce426f0f167120fe7d2967e3 SHA-1: d5f76c6ef445e1088b70a847cd1e6949ae9c2b18 SHA-256: e9642f8dc8094f9393414e5e78cb05476aef53e2e1301dc8ffa6b45cc0ba4bda
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a game hack lure to entice users to click on a link. The primary link, http://netcdn.co/app/431946152/how-to-cheat-in-roblox-pet-simulator-game-hack, is identified as a high-risk redirector. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to deliver a malicious payload or redirect to a phishing/malware site, aligning with T1566.001 (Spearphishing Attachment) and potentially T1059.007 (JavaScript) if the redirection involves client-side scripting.

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 http://netcdn.co/app/431946152/how-to-cheat-in-roblox-pet-simulator-game-hack PDF link annotation
    • https://creationegyptco.com/userfiles/files/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-books-free_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-coins-for-flip-master-online_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/elemental-battle-grounds-hack-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-comcom_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-promo-codes-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-group_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-to-get-free-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/roblox-when-will-counter-blox-remastered-be-free_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/fishing-simulator-hack-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-java-free-download_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-not-fake_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_off00002e46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E46 22056 bytes
SHA-256: 6c400e9e20b46c323e53e3c7274507cf2affce031032a2e8d85aa9e5f25d6beb
font_01_sfnt_off00005f12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F12 19596 bytes
SHA-256: 1467e4a77132a584e1822288ff8fee7bbdf223c2bdf1d3c12e674c4e6b2859c8

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