Malicious PDF — malware analysis report

Static analysis result for SHA-256 e272f39c9af6f6a8…

MALICIOUS

PDF

34.3 KB Created: 2021-06-22 01:39:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 5d32971387321cad36462b5ac5c3af9c SHA-1: ad94bf8d240d17c60f28dadb3a0e339cab00fe43 SHA-256: e272f39c9af6f6a80b02847a26310a3ad1659006630a385d8ee6b55c8f9a1f3c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple links and a lure related to game hacks and free currency, indicating a phishing or scam attempt. The ML classifier also flagged this PDF as malicious. The primary URL http://netcdn.co/app/406889139/hack-coin-master-dzooka-game-hack is likely the destination for the malicious payload or further redirection.

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/406889139/hack-coin-master-dzooka-game-hack PDF link annotation
    • http://gazelletr.com/userfiles/files/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/coin-master-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/get-admin-in-any-roblox-game-hack_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/how-to-get-free-robux-in-roblox-2021-proof_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/hackear-coin-master-sin-root_GM406889139.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/free-robux-pins_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/coin-master-spin-hack-2021_GM406889139.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/coin-master-apk-hack-2021_GM406889139.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/robux-today_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/coin-master-apk-hack-35-8_GM406889139.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/best-free-hacked-client_GM479516143.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/oprewards-com-login_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/roblox-generator_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/coin-master-hack-app-ios-download_GM406889139.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/how-to-earn-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://gazelletr.com/userfiles/files/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

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_off00002fe4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FE4 22904 bytes
SHA-256: b4b3fce8a928c54d79a8ad3a5652c748063221b9a57c0ef42894d97f25a4b7d7
font_01_sfnt_off00006358.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6358 18252 bytes
SHA-256: cb34c00e22f4fb04ecd8dba51ce5014289f907e7ee26b06f608f45da10f54c4d

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