Malicious PDF — malware analysis report

Static analysis result for SHA-256 5eaee41ab98698ed…

MALICIOUS

PDF

35.6 KB Created: 2021-07-03 18:10:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: d2fa7e3606a89b2840ee0ed83628ffc1 SHA-1: f0c03e1b27d81386ba2d4e37fc8f034f4678082a SHA-256: 5eaee41ab98698ed7cf4af7541254570b2f8a2baa4dd93e10e40a8db4e1a858d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a high-risk heuristic firing for a game hack redirect lure, pointing to a suspicious URL. The document body also includes this URL, reinforcing the lure. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect users to a potentially malicious site for game-related 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/how-to-get-minecraft-for-free-on-chromebook-game-hack PDF link annotation
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-do-you-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/free-coins_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-free-robux-hack-no-survey-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/free-working-roblox-robux-codes_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/free-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/roblox-ultimate-driving-v3rmillion-free-gamepass_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-to-get-free-pet-snacks-in-coin-master_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/cheat-codes-for-pokemon-galaxy-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-to-generate-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/easy-roblox-hack-client-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-to-add-mods-to-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/robux-generator-hack-2021-apk_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/wurst-mc_GM479516143.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/coin-master-card-collection-hack_GM406889139.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/free-robux-inspect-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://perpustakaan.bundadelimalampung.ac.id/repository/how-to-get-free-robux-no-survey_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_002_off00003515.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3515 22332 bytes
SHA-256: bc85709bbbdb6b0e3b479600c6dd2fcd4a7d35a6ee1f6a492ed29fe110eb67ab
font_01_sfnt_off000066b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66B9 18916 bytes
SHA-256: a6c15671334e5340958c859e9ef76faa3bd94e6af761e25462b4f2cfb72507dc

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