Malicious PDF — malware analysis report

Static analysis result for SHA-256 44a516c1cbea96ee…

MALICIOUS

PDF

35.3 KB Created: 2021-06-25 18:03:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 58108847eb7733c24fcdcfc792d55c8d SHA-1: d987233e6a690e39e8e0216196a3eb50944b2cef SHA-256: 44a516c1cbea96ee9fb95260f17678da5545ed431b35792f75464bf7aaa451a3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed to lure users into downloading a game hack tool. It contains multiple links, including a primary link to 'netcdn.co', which likely serves as a redirector to malicious content. The document's content and heuristics strongly suggest a phishing or scam attempt aimed at users seeking game cheats. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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/roblox-jailbreak-hack-tool-download-game-hack PDF link annotation
    • http://perpus.ar-rum.ac.id/repository/roblox-bubble-gum-simulator-steal-hack_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/coin-master-free-spins-link-ios_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-give-robux-on-mobile_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/roblox-free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/fly-hacks-script-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/its-free-roblox-ad-released_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/como-ser-hacker-en-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/how-to-get-free-robux-pc-_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/how-to-hack-accounts-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/free-robux-site-2021_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/robux-free-youtube-aspire_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id/repository/free-event-items-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.ar-rum.ac.id//repository/robux-free-c_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_off0000301f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x301F 22924 bytes
SHA-256: 92823b613bff71a50e5890bd2225f284088e4ba1b5d6d5950e04895e5a0553b9
font_01_sfnt_off000063d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63D5 19448 bytes
SHA-256: 6ffc239d52a87a85926e4fb525186d689a73d8ff7b8863a9c05bbd28379134d5

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