Malicious PDF — malware analysis report

Static analysis result for SHA-256 7255dd044c5df32a…

MALICIOUS

PDF

34.3 KB Created: 2021-07-01 10:02:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 47d12212aec672fe5335194c98161826 SHA-1: fa4f9780624a2f71b793293d251d779dcc86b980 SHA-256: 7255dd044c5df32a4bf94991c23db30b4e55d085517a721bd12b2a00008f0198
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links disguised as game hacks and generators for popular games like Roblox and Coin Master. These links likely lead to malicious websites designed to trick users into downloading malware or providing personal information. The ML classifier strongly indicated maliciousness, and the presence of multiple game-hack lures supports this assessment.

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.co/app/431946152/how-to-get-free-robux-and-tickets-on-roblox-2021-game-hack PDF link annotation
    • http://xenonsvjetla.com/files/how-to-hack-into-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-money-in-ud-roblox_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/how-to-get-20210-robux-free-on-phone_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/how-to-get-free-coins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-spins-coin-master-2021-app_GM406889139.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/coin-master-hack-unlimited-spins_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/fluxbreak-roblox-free_GM431946152.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-attacks-coin-master_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/coin-master-free-fire_GM406889139.pdfIn PDF document text
    • http://xenonsvjetla.com/files/minecraft-hacks-xbox_GM479516143.pdfIn PDF document text
    • http://xenonsvjetla.com/files/hacks-de-roblox-booga-booga_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.xenonsvjetla.com/files/roblox-big-brother-cheats_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_off00002dd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DD6 21956 bytes
SHA-256: 6c0e6953929ec8f1f5be271d4d742cbd09332c8615e83319db4ce4b6164335e9
font_01_sfnt_off00005e4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4D 19924 bytes
SHA-256: 9925fb95c87cd24fe4c725e238c9a5e3650f10cf570e7120e48bcad4e5cec517

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