Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc47349909fa58a9…

MALICIOUS

PDF

42.6 KB Created: 2021-05-17 09:00:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 26d86f7cc042cfacafcd83f56247106f SHA-1: 2b2cdd818df8f77f54d8adc5780dbba2f4b4b5ba SHA-256: cc47349909fa58a9d09cfd088648f72b8b6533c140483eada8b1893ae06673e5
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/431946152/roblox-hack-site-game-hack PDF link annotation
    • https://liftkos.com/images/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/coin-master-free-spins-2021-today_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/free-robux-scam_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/www-coin-master-hack-com_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/www-rbx-com_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/roblox-login-hack_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/master-coin-free-link_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/coin-master-hack-2021-apk-download_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/roblox-redeem-robux_GM431946152.pdfIn PDF document text
    • https://liftkos.com/images/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/free-coin-master-game_GM406889139.pdfIn PDF document text
    • https://liftkos.com/images/how-to-hack-roblox-games_GM431946152.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_off00004861.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4861 25804 bytes
SHA-256: a2ebbc066f945d7d3f8b993acf709955fe2e6152572aa97d9d2a083b8d19d641
font_01_sfnt_off00008386.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8386 18408 bytes
SHA-256: baa68e8b80fe17984eb0f5893287011db8c451c65a8bba41303beeb2aadfa952

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