Malicious PDF — malware analysis report

Static analysis result for SHA-256 cad993624e1045ed…

MALICIOUS

PDF

44.0 KB Created: 2021-06-03 09:09:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9fead6322254a9f8e598309000c7e1a5 SHA-1: edc1761da45452d09738ec4cfb1b8674edccd3d9 SHA-256: cad993624e1045ed8ef56e1ae4ab9a356e1f2c0dde92a0e29b9454c6412fc353
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of 'free game hacks' and 'spins' to entice users. It contains multiple embedded URLs that redirect to sites offering such generators, which are likely malicious or phishing-related. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of harmful intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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/blogger-coin-master-free-spins-game-hack PDF link annotation
    • http://library.thamrin.ac.id/repository/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/free-spins-for-coin-master-on-1-19-19_GM406889139.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/is-minecraft-free_GM479516143.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/free-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/coin-master-blogspot-links_GM406889139.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/coin-master-links-for-today_GM406889139.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/how-to-win-robux_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/free-shirt-templates-roblox_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.thamrin.ac.id/repository/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000504f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x504F 24856 bytes
SHA-256: dc88d7a97772680268b1b9883b56e4b7ba90f412045d1a5d298ed8a35d23d275
font_01_sfnt_off000088e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88E3 18464 bytes
SHA-256: 0911799b9aa5b6ecf8f75e1ae71094da345a4ed5579c86b7800e8f9c3f9f610d

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