Malicious PDF — malware analysis report

Static analysis result for SHA-256 215900dca435485b…

MALICIOUS

PDF

46.6 KB Created: 2021-05-17 13:15:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f39a8be62625fb4838493df0c87ca2db SHA-1: 4e22b03755cfe0a4c5f8f656d931785a6f5816d1 SHA-256: 215900dca435485b69041838fa74410d303988fbf88c00f8068b90040387afe3
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 0.8948

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/431946152/www-free-robux-com-game-hack PDF link annotation
    • http://www.museodopobo.gal/web/uploads/files/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/worst-client_GM479516143.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/coin-master-free-spins-a2z-help_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/free-roblox-generator_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/free-robux-without-survey_GM431946152.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/free-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://www.museodopobo.gal/web/uploads/files/how-to-get-20210-robux-for-free_GM431946152.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004929.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4929 25388 bytes
SHA-256: 47706f881ac883b72e4c7e9c1e5fb5a94637d40a8ece9a2c1baedbec5c4ff58d
font_01_sfnt_off0000829a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x829A 4660 bytes
SHA-256: b8980cdac4d025496d9fe039d8c05bb5b9bae1b804244a1f9c05e9663db72816
font_02_sfnt_off000092aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92AA 18636 bytes
SHA-256: 9f7262e815bd0044d2d3715e2ef4b4760a787eb7fc9de28673ce11fb32ae2f7d

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