Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc003dabf1753f16…

MALICIOUS

PDF

35.7 KB Created: 2021-07-04 09:44:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: f078dcbe198a5c858d0bc0b60fe24e1d SHA-1: b514dc3210f0197d9527dff83d1a89b6647033fc SHA-256: cc003dabf1753f1694332d91b7591ee4e266898bd9f627cc6e4710dd9e2bb35f
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 0.9980

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.tw/app/406889139/coin-master-free-daily-spins-link-2021-game-hack PDF link annotation
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/free-coin-master-generator_GM406889139.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/coin-master-game-for-pc-free-download_GM406889139.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/roblox-hcbb-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/earn-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/minecraft-book-collection_GM479516143.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/how-to-hack-case-clicker-20-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/roblox-online-hack-tool_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/roblox-skin-free_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/roblox-mano-county-hack-gui-pastebin_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/roblox-login-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/minecraft-pe-apk-download_GM479516143.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • https://elearning.man2nganjuk.sch.id/__statics/gudangsoal/files/free-vip-server-roblox_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
font_00_sfnt_off0000322b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x322B 23032 bytes
SHA-256: 6fe27ffcb39db96226df9d21f06739c7cf6e3e65f8b18c124b06e7e09d14e22b
font_01_sfnt_off00006614.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6614 19168 bytes
SHA-256: 9fcdcda61f85103260e2e142676e822332f3bbd5dbf2c81b53e1d0acf8c5ea6d

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