Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca0d573e1ec28423…

MALICIOUS

PDF

34.3 KB Created: 2021-07-01 09:56:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 59ff8f2f1ab85986739dc0e78f2ad50b SHA-1: d3f4aa9151f1002b1e47f92b828702831d6da3cd SHA-256: ca0d573e1ec28423ab9c6681c21efddaad8150cf77599bc79ae403e79b83a5a4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/free-gear-from-games-roblox-game-hack PDF link annotation
    • http://eventoslanoria.com/images/how-to-hack-roblox-jailbreak-beta_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/roblox-robux-hack-generator-android_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/hack-roblox-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/how-to-get-my-hacked-account-back-on-roblox_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/tiktok-free-hong-kong_GM835599320.pdfIn PDF document text
    • http://eventoslanoria.com/images/roblox-phantom-forces-cheats-2021_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/free-robux-generator-online-no-human-verification_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/roblox-jailbreak-hack-2021-september_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/apk-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://eventoslanoria.com/images/view-noclip-hack-roblox_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/robloxfun-com-generator_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/minecraft-free-exe_GM479516143.pdfIn PDF document text
    • http://eventoslanoria.com/images/roblox-item-hack_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/minecraft-ps4-code-free_GM479516143.pdfIn PDF document text
    • http://eventoslanoria.com/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/cute-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/minecraft-free-online_GM479516143.pdfIn PDF document text
    • http://eventoslanoria.com/images/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://eventoslanoria.com/images/how-to-hack-someones-account-on-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_off00003007.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3007 22456 bytes
SHA-256: 279a14b442219c7e6d753ee7de4c267395812c2c6b46e891f6c185bff537763a
font_01_sfnt_off0000613f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x613F 18908 bytes
SHA-256: ca6f1b5c73689cdeddc7880b17a83332c5680c83d03d7bc142702db60726dcbf

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