Malicious PDF — malware analysis report

Static analysis result for SHA-256 75e1dc7756ce4d37…

MALICIOUS

PDF

34.2 KB Created: 2021-07-03 12:10:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 8c7c7e44c71dc18293ef3929093b6b3f SHA-1: e6cedc00f95dfc2dda718e694019aad39ba5355d SHA-256: 75e1dc7756ce4d370ae82bd9159f6b35edeea9cca3799f5daf743705aa341415
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free currency, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's a game hack redirect lure. No scripts were extracted, but the document body and embedded URLs suggest a phishing or malware distribution attempt.

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/get-robux-today-game-hack PDF link annotation
    • http://astdubai.co/userfiles/files/links-to-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/jump-hack-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/coin-master-free-spins-usa-2021_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/best-free-spin-app-for-coin-master_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/roblox-dungeon-quest-hack-scripts_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/coin-master-download-hack_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/is-coin-master-free_GM406889139.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/hacks-roblox-2021_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://astdubai.co/userfiles/files/roblox-hacks-mad-city-script_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F16 22220 bytes
SHA-256: dadf1ceb4959b919fb4650bf44d3ab7970577df2cd638823dc94b25401451854
font_01_sfnt_off00006051.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6051 19012 bytes
SHA-256: 9215c9201218ab6c8d10252376bfc8cd06165ecb9060389a52a88ae940a9f8ad

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