Malicious PDF — malware analysis report

Static analysis result for SHA-256 49ce3a32706083c7…

MALICIOUS

PDF

35.4 KB Created: 2021-06-27 09:20:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 54fa2ea875453a2312cac7afa107311c SHA-1: d209c869c59d6c431844e1019a6c4927f9143c83 SHA-256: 49ce3a32706083c7a31ada86230ab79298234d3e71084c04af745620c09cdf65
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 0.9980

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/roblox-free-draw-discord-game-hack PDF link annotation
    • https://cnc-xinrong.com.tw/image/data/files/coin-master-tiradas-gratis_GM406889139.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/how-to-add-mods-to-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/roblox-login-hack_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/games-that-gives-free-robux-2021-july_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/free-running-gamepass-parkour-roblox_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/robux-infinitos-hack_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/free-minecraft-client_GM479516143.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/how-to-download-minecraft-for-free-on-windows_GM479516143.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/discord-free-t-shirts-roblox_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/cch-ly-robux-free-ko-hack_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/wwwrobloxcheat-de_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/roblox-royale-high-free-diamonds_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/coin-master-free-coins-and-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/how-do-you-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/robux-gratis_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/free-bloxburg-roblox_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://cnc-xinrong.com.tw/image/data/files/free-robux-no-generator-no-download_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003230.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3230 22644 bytes
SHA-256: 16a665f10f014078b4ad5ccb9868d17181d6c29074f002ef195eee9eb0829b0b
font_01_sfnt_off000064b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64B4 19276 bytes
SHA-256: 1837606bceeef81fc8b407af2b6c1953e56d0391417688802fb049b4b3873350

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