Malicious PDF — malware analysis report

Static analysis result for SHA-256 e47e0b9fac54dc52…

MALICIOUS

PDF

34.9 KB Created: 2021-07-09 09:16:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: dccf1970cd3d10159aea96577efd34d6 SHA-1: 4d0bd930eb71d1dc1643f028daeeb3aea8f4960b SHA-256: e47e0b9fac54dc52a12bfe5e08b09106cfc63e66563ff54422d688095d689eb1
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/431946152/roblox-avatar-maker-free-game-hack PDF link annotation
    • http://www.inoxograde.hr/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/hack-coin-master-game-apk_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/coin-master-links-that-don-t-expire_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/cheat-engine-roblox-money_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/how-to-get-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/coin-master-spin-and-coins-free_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/roblox-free-pants-catalog_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/free-robux-app-real_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/how-to-get-a-free-roblox-card-code_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/how-do-you-hack-somebody-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/free-robux-simple-app_GM431946152.pdfIn PDF document text
    • http://www.inoxograde.hr/files/how-to-get-free-coins-in-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.inoxograde.hr/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000309b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x309B 22436 bytes
SHA-256: 46129ecfd441d5b2a4617cb26e9dd53e23ec0b9c3983d6093f3949c38d558c71
font_01_sfnt_off000062f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62F6 19236 bytes
SHA-256: 6e0682d0e3debb2d4c4c9a17f2eb9a9f2fd830994e30009324975d898f503a12

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