Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea95e8274549d617…

MALICIOUS

PDF

34.5 KB Created: 2021-06-26 09:09:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: cc0aa97e096a56536222a4052699a431 SHA-1: 789d20638c55ee689f787197c35a106632193f2b SHA-256: ea95e8274549d6179c8f52a8a917bb1255489c202c443366bc110c5778d568e7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains numerous links that redirect to websites offering game hacks and generators, such as for Roblox and Coin Master. The primary link, http://netcdn.co/app/431946152/mobil-net-roblox-hack-game-hack, appears to be a malicious redirector. The document's content and the high ML classification strongly suggest a malicious intent to lure users to potentially harmful sites.

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.co/app/431946152/mobil-net-roblox-hack-game-hack PDF link annotation
    • http://olimpik.mk/imagescke/upload/files/how-to-get-robux-fast-no-hack-2021_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/how-to-get-free-robux-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/minecraft-114-download_GM479516143.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/roblox-bloxburg-free-hack_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/hackear-juego-coin-master-espaol_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/roblox-hack-synapse-x-free-download_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/como-hackear-coin-master-2021-espaol_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/roblox-speed-hack-2021-march_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/get-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/roblox-free-shirts-and-pants-catalog_GM431946152.pdfIn PDF document text
    • http://olimpik.mk/imagescke/upload/files/can-you-get-minecraft-windows-10-for-free_GM479516143.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_off0000312d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x312D 22008 bytes
SHA-256: bdd51759358edde8a8531dd0fdd75898fe17f29cbefac32dfc787d474c399c43
font_01_sfnt_off000061aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61AA 19076 bytes
SHA-256: 31707ca62b71f2a0394460d46a9a2f2f2b37f553612d524399e2589cfa383111

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