Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b9822960ec2f2d4…

MALICIOUS

PDF

41.5 KB Created: 2021-05-15 12:47:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 267f7991abb21ec67e4bdb267f5d5ab7 SHA-1: 85c8eb599b34dea1f0cad257c363f005560ad8dc SHA-256: 0b9822960ec2f2d42442a8322a9f66de954fa50fdc66ed97903644fb99b58b5d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that are identified as lures for game hacks and generators. The primary link, 'https://netcdn.xyz/app/406889139/coin-master-free-online-game-game-hack', strongly suggests a malicious redirection or download attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a social engineering tactic to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/coin-master-free-online-game-game-hack PDF link annotation
    • https://omhelsjehart.nu/images/ww-roblox-come_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/hack-coin-master-game-apk_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/hack-coin-master-spin-apk_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/roblox-games-to-play-for-free_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-minecraft-realms-to-join_GM479516143.pdfIn PDF document text
    • https://omhelsjehart.nu/images/best-hacked-client_GM479516143.pdfIn PDF document text
    • https://omhelsjehart.nu/images/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdfIn PDF document text
    • https://omhelsjehart.nu/images/get-free-robux-info_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/roblox-free-no-download_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/hack-minecraft_GM479516143.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • https://omhelsjehart.nu/images/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • https://omhelsjehart.nu/images/roblox-hacking-website_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/games-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://omhelsjehart.nu/images/free-roblox-accounts-with-robux-that-work-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
stream_003_off0000471b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x471B 25884 bytes
SHA-256: 70414ad15d9c8c22295da420ece09933fa91882dbe31a06a9767da2542f343d8
font_01_sfnt_off0000807d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x807D 18044 bytes
SHA-256: f55611517853c9a75744f85dcee2126c23b046b59fba7ee14d63f8cfd243840d

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