Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e573a5177c015d3…

MALICIOUS

PDF

45.1 KB Created: 2021-06-03 13:14:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 79327f7e6d213e606d757feb1f2fac5f SHA-1: eaae704ca4781ef5b07c1029db985680b538620f SHA-256: 1e573a5177c015d3dd6171f49dd4fe1ea192c4fb481cb8a365974bc5642292d1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure related to 'free VPN for Minecraft' and 'game hacks' to entice users to click on a malicious URL. The primary malicious URL identified is https://netcdn.online/app/479516143/free-vpn-for-minecraft-game-hack. The document's structure and embedded links suggest it is designed to redirect users to potentially harmful content or initiate further malicious downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/479516143/free-vpn-for-minecraft-game-hack PDF link annotation
    • http://opac.library.uib.ac.id/repository/coin-master-hack-xyz-2021_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/how-to-get-free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/get-free-lives-on-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/free-admin-roblox_GM431946152.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/coin-master-free-coins-and-spins-today_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/spinuri-gratis-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/robux-offer-wall_GM431946152.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/roblox-top_GM431946152.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/hack-game-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id//repository/getrobux-now_GM431946152.pdfIn PDF document text
    • http://opac.library.uib.ac.id//repository/prison-life-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://opac.library.uib.ac.id//repository/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/pokemon-go-free-9-nerf_GM1094591345.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/pubg-uc-2021_GM1330123889.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://opac.library.uib.ac.id/repository/coin-master-free-gift-cards_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id//repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://opac.library.uib.ac.id//repository/pubg-uc-or-bp_GM1330123889.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_off0000542a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x542A 26768 bytes
SHA-256: 9e3ed84767c7ae9819da169d07d0df5e5958e2ce11f70523cdc0c59b6ff76b9b
font_01_sfnt_off00008e90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E90 18020 bytes
SHA-256: 911504367fe567166c33f6e3692a77db00fa7c0328364f4a395a35c32f792d6f

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