Malicious PDF — malware analysis report

Static analysis result for SHA-256 02354b804cf77e1a…

MALICIOUS

PDF

47.6 KB Created: 2021-06-03 14:03:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2ea95b1086a2ac06c65e8e564cf7c95c SHA-1: 10d26d0e089021c367021afe0596f16d10beac3c SHA-256: 02354b804cf77e1aa25f16758a98eecd06a3ae7f71942bb3f649a04c8320e4f5
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 0.9769

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.online/app/406889139/coin-master-links-to-get-free-spins-game-hack PDF link annotation
    • http://www.elibrary.perludem.org/repository/roblox-hack-apk_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-apk-hack-2021-ios_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/roblox-download_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/free-bling-bling-card-coin-master_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/free-roblox-accounts-dantdm_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-card-hack-app_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/coin-master-free-spins-link-2021-no-verification_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/minecraft-free-ios_GM479516143.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/free-minecraft-for-kids_GM479516143.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/wearedevs-roblox-speed-hack_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-daily-bonus_GM406889139.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/get-free-lives-on-coin-master_GM406889139.pdfIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004c7a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C7A 24104 bytes
SHA-256: 57fe7be1f1f12e886f911493a0f6b190eb4ab92026add41d70ac0f27aa6596c4
font_01_sfnt_off00008353.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8353 8676 bytes
SHA-256: e06aca5f85e50ae6cefda302c5299c18ab6d27c174f74f0bb0ee8efa7ccb4468
font_02_sfnt_off000097de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97DE 18056 bytes
SHA-256: d6f48365c8184d813f3f97722928ecdf71d9bd5c6eacb29ace11fc0c34dd539a

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