Malicious PDF — malware analysis report

Static analysis result for SHA-256 22092adfbfbecbdf…

MALICIOUS

PDF

35.0 KB Created: 2021-07-09 11:42:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 102a9290b89233fa5135db4294f6af85 SHA-1: a9e8fd043a272fb75ff242aa2d07132d1a530e07 SHA-256: 22092adfbfbecbdf34e13e8a79bcfdbdcbd01574430e6f0e3b38df9b57baa72f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to sites offering game hacks and free currency, a common lure for phishing or malware distribution. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' specifically flags this behavior. While no scripts were extracted, the document's content and linked URLs strongly suggest a social engineering attack aimed at tricking users into visiting malicious websites.

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/406889139/free-spins-on-coin-master-without-human-verification-game-hack PDF link annotation
    • https://www.xenonsvjetla.com/files/como-descargar-roblox-hackeado-para-android_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/how-do-you-get-free-robux-on-robloxcom_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/free-robux-real_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-coin-master-game_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-online-minecraft-server_GM479516143.pdfIn PDF document text
    • http://xenonsvjetla.com/files/roblox-phantom-forces-rank-hack_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/how-to-fly-roblox-with-cheat-engine_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/easy-robux-generator_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/roblox-online-hack-for-free-robux_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/roblox-murder-mystery-cheat-codes_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/assassin-roblox-free-exotic_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/free-minecraft-server-hosting-with-plugins_GM479516143.pdfIn PDF document text
    • http://xenonsvjetla.com/files/scripts-for-hacks-roblox_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/coin-master-apk-free-download_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/gamehunters-coin-master_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/free-robux-no-hacks-roblox-approved_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/how-to-get-easily-promoted-on-roblox-groups-hack_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_off000030be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30BE 22808 bytes
SHA-256: 2d923fac6baf81d76204cf28cc37a8f819a0ab24770449d35962918fca01012a
font_01_sfnt_off000063e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63E3 19072 bytes
SHA-256: 27ae5e168144f9143b4eb17c336d82063430b57a560ff005ec1c031da73db6d2

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