Malicious PDF — malware analysis report

Static analysis result for SHA-256 06c1b16a299f7935…

MALICIOUS

PDF

45.5 KB Created: 2021-06-02 21:51:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 56e6259017b4b6fc8cbe734b4852d941 SHA-1: 89f16d161d5c38e67307ef744db34a82be735946 SHA-256: 06c1b16a299f793566cc47bf0f727eabf6cdafe3a694abebbf2120c1895f14da
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 0.9864

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-rpg-world-autofarm-buy-egg-tp-island-2021-game-hack PDF link annotation
    • http://jdlrelocation.com/images/easy-robux-generator_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/giftrobux-com-generator_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-roblox-app_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/try-minecraft-free_GM479516143.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-ftw_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/hack-coin-master-xyz_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-foxy-food-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlrelocation.com/images/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://jdlrelocation.com/images/roblox-a_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_004_off000050bf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50BF 24488 bytes
SHA-256: bb22cadbc38d92dcf438828f1850a1135a72f71cd94b0fd84ecbb1682194fd43
font_01_sfnt_off00008956.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8956 20104 bytes
SHA-256: 7e1d3e202854f1d20c52e464ac8585fb32825537f0b49ab2cf6b32b32a172971

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