PDF static analysis report

Static analysis result for SHA-256 e7f79138e06de6bf…

SUSPICIOUS

PDF

32.8 KB Created: 2021-07-04 03:47:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d3cd8b694b4267fc9fd00e71cd1ec9a2 SHA-1: d408c74f17b6396e9a9fe32aacd26a2cef4fe8b9 SHA-256: e7f79138e06de6bfa7d74f1679a8e688daebb6df89913d554b2bbd8244268e67
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that mimic a lure for obtaining free in-game currency or hacks for popular games like Roblox and Coin Master. The primary URL, http://netcdn.tw/app/431946152/robux-online-game-hack, is likely a phishing page or a download site for malicious software. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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.tw/app/431946152/robux-online-game-hack PDF link annotation
    • http://apotema.com.co/ufiles/files/emperor-roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/how-to-get-free-clothes-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/coin-master-app-hacks_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/impact-minecraft-hack_GM479516143.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/coin-master-daily-spin-link-app_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/1-000-free-robux_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/how-to-get-explorer-up-on-roblox-hack_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/coin-master-free-spins-23-march-2021_GM406889139.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/how-to-get-free-roblox-items-2021_GM431946152.pdfIn PDF document text
    • http://apotema.com.co/ufiles/files/master-coins-free_GM406889139.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
font_00_sfnt_off000029fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29FC 22588 bytes
SHA-256: ab2250e945fe6eeaa286bf8e76014a9696d2273c948dd5ea7e41dc60cbf0d096
font_01_sfnt_off00005c66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C66 18744 bytes
SHA-256: 0d65403b238a7007715d414cecaabb3c72f82c70eaf60aa0c41e152bd513deae