PDF static analysis report

Static analysis result for SHA-256 56dc96cb8258301b…

SUSPICIOUS

PDF

34.8 KB Created: 2021-06-27 14:03:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f9c5d96d5ffab4696c57f9e957ad7b3a SHA-1: 665db57cb4c1aa16d2b80decd9ace7d52e6d8f54 SHA-256: 56dc96cb8258301b1e4c50c0427310823764e3a88dae2345f6e38687f7cde098
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that lure the user into downloading a file by promising free in-game currency for popular games. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs indicates a potential download attempt. No scripts were extracted from this sample, but the overall structure suggests a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/mega-robux-hack-game-hack PDF link annotation
    • http://ycstamping.com.tw/image/data/files/coin-master-hack-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/are-robux-generators-safe_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/roblox-building-games-free_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/free-robux-3-steps_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/how-to-hack-surf-leaderboard-roblox_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/haktuts-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/roblox-naruto-final-bond-cheat-lev-up_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/roblox-promo-codes-free-robux_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/coin-master-2021-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://ycstamping.com.tw/image/data/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 5

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_off00003166.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3166 22468 bytes
SHA-256: 2ad608196ec2869345c3d7a24dff48822f8d41f7b26967116575c8946079bd1b
font_01_sfnt_off00006365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6365 18916 bytes
SHA-256: d972642b2222fec001bbe8794f0ed3643fea86dc2edbd76136190178f88ea77c

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