Malicious PDF — malware analysis report

Static analysis result for SHA-256 20e9ae7041d0ef24…

MALICIOUS

PDF

42.1 KB Created: 2021-05-14 00:18:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 90ce97eb8c0928cecaa5fa544a8a3477 SHA-1: ab958ea26f4f470ef783295455b2606ed172e141 SHA-256: 20e9ae7041d0ef241e7e74e5f71beac8760b15f1f2987793391c9846738db4d8
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 0.9971

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.xyz/app/479516143/free-to-play-minecraft-servers-game-hack PDF link annotation
    • https://scraperite.com/images/free-roblox-gift-card_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/cm-spin-link_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/free-accessories-roblox_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-free-gold_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-rewards_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/earn-points-for-robux_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/robux-cheat_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-links-for-today_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/rape-simulator_GM431946152.pdfIn PDF document text
    • https://scraperite.com/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • https://scraperite.com/images/free-coins-and-spins-for-coin-master_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_off00004b35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B35 24412 bytes
SHA-256: e38300ba7e7cba8585ece67b06625d0f4bb8232ad51719c2740fdfa2932b30b2
font_01_sfnt_off00008288.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8288 18232 bytes
SHA-256: df9bdba0ccb867e231e0707e3a94b10901008a424b0cfbbd7e5ef55edf45d1f1

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