Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eaead4027da6df7…

MALICIOUS

PDF

34.1 KB Created: 2021-07-05 14:34:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 03ef6ed0bcd63950a3073ad859442d1e SHA-1: 8518055724a5686815ebc56b649c6fb9e5431b5a SHA-256: 7eaead4027da6df75524991cd9af96bd586ee08f3e62050a715186848c7b20dc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a lure related to 'free things' and 'game hacks' for Roblox, directing users to a suspicious URL. This suggests a phishing or scam attempt to trick users into visiting a potentially malicious site. While no scripts were directly extracted, the PDF structure and embedded URI indicate a malicious intent to redirect users.

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/431946152/free-things-in-the-catalog-for-roblox-game-hack PDF link annotation
    • https://elibrary.ikhac.ac.id/repository/hack-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/free-tiktok-hearts_GM835599320.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/roblox-free-packages-download_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/how-to-hack-dragon-ball-after-future-roblox_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/roblox-robux-hack-2021-october_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/oginject-co_GM406889139.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/free-roblox-rum_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/roblox-bulbul-hack_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/get-roebucks-com_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/how-to-hack-through-walls-in-jailbreak-roblox_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/poke-preston-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/wikihow-how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/how-to-get-100-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/roblox-robux_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/roblox-hack-no-human-verification-2021-ipad_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/claimggearn-free-robux-for-free_GM431946152.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elibrary.ikhac.ac.id/repository/roblox-robux-cheats-2021_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_off00002f8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F8C 22156 bytes
SHA-256: eae16a4fa8bcc1ef99b05b4d8650b7e088010d75ae23919465755f9ab17f6309
font_01_sfnt_off00006085.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6085 19040 bytes
SHA-256: a6ea010c4ed4a8724d0ddd3813016048dff00a39ecc80092a9bc2084fde35194

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