PDF static analysis report

Static analysis result for SHA-256 3d140c6c95484d7f…

SUSPICIOUS

PDF

50.5 KB Created: 2021-06-08 11:40:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e637bcfc1e3b6764c73024427d011853 SHA-1: d1edaed92960d6687813900af33e783075467403 SHA-256: 3d140c6c95484d7fb2a053fc5c1047ad2889970e1a676b0555e6a405e2f92a8a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier flagged this PDF as malicious with high confidence. The document contains multiple embedded URLs and a visual call-to-action button, all related to 'free Robux' or 'free spins'. The primary URL, https://netcdn.tw/app/431946152/free-robux-glitch-clickbait-game-hack, is likely the destination for a phishing or malware distribution attempt. No scripts were extracted, but the presence of external URIs and the ML classification strongly suggest a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9779

Heuristics 3

  • 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.tw/app/431946152/free-robux-glitch-clickbait-game-hack PDF link annotation
    • http://dieter-sauter.com/images/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-spin-appscoin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/cone-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/roblox-com-free_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-popular-roblox-survey_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/robux-only_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/roblox-cb-hack_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/how-to-get-free-coins-and-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-links-for-free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/free-tiktok-likes-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
    • http://dieter-sauter.com/images/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • http://dieter-sauter.com/images/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://dieter-sauter.com/images/roblox-comcom_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000050f3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50F3 30352 bytes
SHA-256: 50e701a72bab9a848f263c219832681ff3e7ad97e901e8cb29dabd5de32b8fe3
font_01_sfnt_off0000972f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x972F 2984 bytes
SHA-256: 889cfc2fd0afa9ea114d6666204c6ce0548d0aae2cba345827d317498c4c06bc
font_02_sfnt_off0000a15b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA15B 18876 bytes
SHA-256: 3b28757540b8e6438dcfd66205d4fbe6bc4fca31344081eab66ac985b73211de