Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e7b3460e6dec7f4…

MALICIOUS

PDF

33.9 KB Created: 2021-07-06 14:05:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 33d1fbda37725a9f79cd5d820dc9466c SHA-1: ac7acb1c810bc419712ae1045a06a887dbb21a82 SHA-256: 9e7b3460e6dec7f4e5e1da1a90ddc6a00f98f6d2ec9a8bb14d55d5d3710d37d1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free in-game currency, directing users to a malicious URL. The ML classifier strongly indicates maliciousness, and the embedded URLs suggest a phishing or scam attempt. The document's content and linked URLs are designed to entice users to click through to a site that likely hosts further malicious content or exploits.

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.tw/app/479516143/minecraft-112-2-hacked-client-game-hack PDF link annotation
    • http://perpus.masda.ac.id//repository/mcpe-com_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-robux-canada_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-robux-giveaway-january-2021-9_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/2021-roblox-accounts-free-2021_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-roblox-items-codes_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-robux-games_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-free-tokens-in-minecraft-ps4_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/tiktok-free-zoom_GM835599320.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/links-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/is-coin-master-hacks-safe_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-free-coins-today_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-make-your-own-game-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/roblox-ban-script-hack_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/buy-free-robux-roblox-girl-skins_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-hack-2021-download_GM406889139.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_off00002fc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC3 22220 bytes
SHA-256: aba2e5d322b0e691549ed032605343a646b62058388ded800ecf23e96c212fef
font_01_sfnt_off00006110.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6110 18504 bytes
SHA-256: 1c6239c4e7240bb93b61e959f2b21d4e00e02324577494d7f11381c67a244304

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