Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c2552ee68d064c8…

MALICIOUS

PDF

32.0 KB Created: 2021-07-03 20:08:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ce4abe1091d66387c5f616642acd5dac SHA-1: d437c3f97ae8b3e50361995f151f941383bc0b70 SHA-256: 8c2552ee68d064c8b3ab968b9dd9e3018446f4a610bb50ecd82c877955619986
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure related to obtaining free game items or hacks for popular games like Minecraft and Roblox. It prominently features a link to "http://netcdn.tw/app/479516143/can-i-get-minecraft-for-free-game-hack", which is flagged as a redirector for game hacks. This suggests the document's primary purpose is to trick users into visiting a potentially malicious site that may host malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/can-i-get-minecraft-for-free-game-hack PDF link annotation
    • http://librarysenior.com/repository/how-to-get-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
    • http://librarysenior.com//repository/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://librarysenior.com//repository/pokemon-go-free-coins-generator_GM1094591345.pdfIn PDF document text
    • http://librarysenior.com//repository/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/roblox-cool-t-shirts-free-marshello_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
    • http://librarysenior.com/repository/free-roblox-executor-no-key_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://librarysenior.com//repository/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
    • http://librarysenior.com//repository/if-you-delete-minecraft-can-you-redownload-it-for-free_GM479516143.pdfIn PDF document text
    • http://librarysenior.com/repository/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
    • http://librarysenior.com//repository/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • http://librarysenior.com/repository/hack-coin-master-app-ios_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/join-any-roblox-server-hack_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • http://librarysenior.com/repository/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://librarysenior.com/repository/original-roblox_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_off00002add.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2ADD 22132 bytes
SHA-256: 2bcb84ad63b6e8958da41dad6ffb27cbc1d00d616ee95aa8eeccad2544843682
font_01_sfnt_off00005bc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BC2 17996 bytes
SHA-256: e6fcd10c978a651d981c94814daa7d4c9dc519d22899a404f27347f868a504f2

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