Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ab7ab33a61a63b9…

MALICIOUS

PDF

23.7 KB Created: 2021-07-06 06:52:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 6ee7189a251e6c5d0adbc4eb844bf765 SHA-1: ce747c18f901ccefff094b8f5b3b171853665b6e SHA-256: 5ab7ab33a61a63b9a0cfc4dea34612fa3d56481bf7301f28f7707ac3d9d94534
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure related to obtaining free game items or hacks, directing users to a malicious URL. The ML classifier strongly indicated maliciousness. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or scam attempt, likely leading to further malicious content or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

Heuristics 3

  • 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.
  • 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-computer-game-hack PDF link annotation
    • http://lib.stie-aub.ac.id/repository/minecraft-cheats-pc-2021_GM479516143.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/coin-master-spins-gratis_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/roblox-free-ship-code_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-robux-games-2021_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/rbx-roblox-robux_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/how-to-hack-values-roblox_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/coin-master-fan-page-giveaway_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/calamari-roblox-free-accounts_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/robux-free-gift-card_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/minecraft-hacks-list_GM479516143.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • http://lib.stie-aub.ac.id/repository/tiktok-free-real-likes_GM835599320.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E3 22428 bytes
SHA-256: fe60916751d4224d6f649d64f6057d66bb71947195ed4ff80b766e5680bd2872

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