Malicious PDF — malware analysis report

Static analysis result for SHA-256 36d2c574a6463f1a…

MALICIOUS

PDF

35.5 KB Created: 2021-07-03 22:45:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 14a144fb1690779a3cdf7d680f093130 SHA-1: c0de040502ba1882615552c7ea65f3f3aa039f95 SHA-256: 36d2c574a6463f1a4ab5bc8206b0b89c66ffa3ffad5f5a10b74e241a54f4c15d
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/freespinandcoin-blogspot-game-hack PDF link annotation
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/minecraft-handbook_GM479516143.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/coin-master-free_GM406889139.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/free-minecraft-maps-pe_GM479516143.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/coin-master-3rd-village-free-2021-gift-card_GM406889139.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/is-minecraft-java-free_GM479516143.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/dungeon-life-roblox-cheat-codes_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/how-to-get-stuff-that-cost-coins-free-mcpe-master_GM406889139.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/free-robux-it-meme_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/coin-master-hack-tool-exe_GM406889139.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/march-18-roblox-hack_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/coin-master-card-hack-apk_GM406889139.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://elearning.mithkromasantulungagung.com/__statics/gudangsoal/files/get-free-robux-com_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_off000032f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32F2 23324 bytes
SHA-256: e8024a0c6ee926d9a0488ac33db234f9ac03d81ffdbc9834d29e01fbc620f6b0
font_01_sfnt_off0000675a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x675A 18636 bytes
SHA-256: 2f07d9c8d148dde93075b89c8cd5cd53c46269e4de3f935f87338e36a9bad06d

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