Malicious PDF — malware analysis report

Static analysis result for SHA-256 064e7ed9b6aca9a5…

MALICIOUS

PDF

34.2 KB Created: 2021-07-05 17:15:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 6f3113b0704e6cb0124c45a7479479a5 SHA-1: 36a33baa22023ae6a78bde9213f923a30a026958 SHA-256: 064e7ed9b6aca9a5a01416f0e05c8d7410fb5d3919460a47e395b4214dbf84ba
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/479516143/if-you-delete-minecraft-can-you-redownload-it-for-free-game-hack PDF link annotation
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/free-spins-on-coin-master-cheat_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/roblox-free-toycodes-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/roblox-accounts-hacken_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/coin-master-hack-mod-apk-download_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/free-robux-wheel_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/free-2021-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/how-to-hack-games-in-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/free-verify-email-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/coin-master-free-gold-cards-link_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/blogspot-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/free-robux-no-password-obby_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/de-roblox-hack-pw_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/how-to-get-free-builders-club-in-roblox-ipad_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn11madiun.sch.id/__statics/gudangsoal/files/daily-free-spins-coin-master-2021_GM406889139.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_off00003261.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3261 21484 bytes
SHA-256: 1670cfc5e5bbdb372e6a3c4122d2e5142c9543adc70ab86d70ceaf4ecbb73252
font_01_sfnt_off00006163.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6163 18880 bytes
SHA-256: ac981c3c32f0063602c6c806105b845cd6f419f094116d8ee59a5a70b57cb270

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