Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e4cda8a90a7ac6b…

MALICIOUS

PDF

43.8 KB Created: 2021-05-11 15:05:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: b1a859705e52bcd873979c92c508e54f SHA-1: fa806a77df78587622bfa179dc3d56c65cb20c8f SHA-256: 3e4cda8a90a7ac6b1377ac1f98c051fa1e47b87dc71ec4fce0e6131fe0ffe225
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that are designed to lure users into clicking on them by promising game hacks and free currency. The primary link, https://netcdn.xyz/app/406889139/how-to-win-attack-madness-in-coin-master-hack-game-hack, is flagged as a high-risk redirector. The document body and embedded links suggest a social engineering tactic to drive traffic to potentially malicious sites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9958

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 https://netcdn.xyz/app/406889139/how-to-win-attack-madness-in-coin-master-hack-game-hack PDF link annotation
    • http://abletrustcare.com/images/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://abletrustcare.com/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/minecraft-cheat-client_GM479516143.pdfIn PDF document text
    • http://abletrustcare.com/images/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/roblox-girl_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/free-robux-master_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/e-free-roblox_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/spins-gratis-coin-master-hoy_GM406889139.pdfIn PDF document text
    • http://abletrustcare.com/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://abletrustcare.com/images/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000044bd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x44BD 25416 bytes
SHA-256: 5cf35de95efebae62e0be8eb572d67bd74f6bd69d20a63f917bece8834cbefdb
font_01_sfnt_off00007f27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F27 2896 bytes
SHA-256: c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd
font_02_sfnt_off0000890c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x890C 18252 bytes
SHA-256: ebc75091247f42f4d8f6f5328204ee4b219dff7698097371fec03a0e52319ffd

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