Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2103318695bea65…

MALICIOUS

PDF

42.0 KB Created: 2021-05-19 01:12:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 9eaa3c42ab266f7fc8841668f574fcdf SHA-1: 308ef6b743e8bb867575dfbd2e1e0270583a6c5b SHA-256: e2103318695bea65818bfdf77d5d347ac6afbb4ac0cd86d137236fb0f53811e4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic indicating it links to a 'free generator / game hack' redirector, specifically pointing to a URL related to game currency. The document body also contains numerous URLs related to free game items and hacks, reinforcing the lure. While no scripts were extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to redirect the user to a malicious site for phishing or malware distribution.

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/406889139/todays-free-spin-and-coin-links-game-hack PDF link annotation
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/static-moonactive-net-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-coin-master-credit_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-spins-coin-master-april-2021_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-free-online-games_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/code-free-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-robux-stream_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/robux-without-verification_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-spin-and-coin-link-app_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/extra-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/scaffold-minecraft-hack_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-spin-today_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
stream_003_off00004a01.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A01 24388 bytes
SHA-256: baec019cbd667cce552417b7e5104a2b3f6cd7bc7c2ea309ff497af88486515e
font_01_sfnt_off000081f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81F4 18304 bytes
SHA-256: fe41b9c6f73a07cbbf88dd054bef46cc881cfc19b14a93a0ff48235cedd50557

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