PDF static analysis report

Static analysis result for SHA-256 e375f8fa6950e40c…

SUSPICIOUS

PDF

35.4 KB Created: 2021-06-19 10:11:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0e2a9adb49a91ba74ff0631a5d4b88e4 SHA-1: e4757c1dacd4765f699625cbafe74e320f78edf9 SHA-256: e375f8fa6950e40cc4afd4fdbbc3c1eebceb4e6af1cb39ec0bbee288105f4ca0
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for free spins and Robux, directing users to external URLs for downloads. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. The embedded URLs suggest a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.

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/406889139/free-spins-coin-master-october-17-2021-game-hack PDF link annotation
    • http://knjiznica-oroslavje.hr/files/roblox-free-robux-android_GM431946152.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/como-hackear-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/coin-master-15-free-spin-link-today_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/coin-master-free-link_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/evil-hacker-game-roblox_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/free-robux-cards_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/minecraft-client_GM479516143.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/roblox-hack-cheats-online-generator_GM431946152.pdfIn PDF document text
    • http://knjiznica-oroslavje.hr/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://www.knjiznica-oroslavje.hr/files/roblox-controversy_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
font_00_sfnt_off00003384.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3384 22568 bytes
SHA-256: 206f05a7f0aeb3ffa71a5418f6df0bfbb7499a2be5f05fa516d59fe9034644f6
font_01_sfnt_off000065f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65F6 18788 bytes
SHA-256: 65f4803c8f051d412bbbbbb7dd72e981990fef64dbb6576893c251839893721c