Malicious PDF — malware analysis report

Static analysis result for SHA-256 5008d1f6fdeb1cb5…

MALICIOUS

PDF

47.3 KB Created: 2021-06-03 22:05:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 018064803722e2cd02cdeb337fbc63a9 SHA-1: 59df83edbf6e687b0aaa5c8b3bf6a1874a9f7d78 SHA-256: 5008d1f6fdeb1cb5bf310bef8fffee9269bad7683ebffaa6281a2187f9812227
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/online-hacking-tricks-coin-master-game-hack PDF link annotation
    • http://library.poltekkes-palangkaraya.ac.id//repository/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/is-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/level-coin_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/game-toolbox_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/free-executors-for-roblox_GM431946152.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-free-spins-and-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/free-spins-october-28-2021-coin-master_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/minecraft-survival-free_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/tiktok-free-textbooks_GM835599320.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-35-13-hack-download_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/how-to-hack-coin-master-apple_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-hack-apk-35-33_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/wurst-client-download_GM479516143.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id//repository/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/master-coin-free-link_GM406889139.pdfIn PDF document text
    • http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-hack-without-verification-2021_GM406889139.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_004_off00005394.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5394 25404 bytes
SHA-256: f5b37e192c85986be5978234e849d603cc6fad567bc962d49abd9788395feb49
font_01_sfnt_off00008cde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CDE 2840 bytes
SHA-256: 30dce2b9c1950da345d7fed8f00c38887adfa2f2ddecc31775af2315e819ac37
font_02_sfnt_off00009691.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9691 18080 bytes
SHA-256: fddd51b25eec04d12f4c4846d9d7e7a5b32d954661b82b54990f8bca79bb2a5a

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