PDF static analysis report

Static analysis result for SHA-256 07ff2f3eb3f85de4…

SUSPICIOUS

PDF

34.7 KB Created: 2021-06-26 02:59:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 60aaf3f6a7cb0f0abe9cf79685872430 SHA-1: 229a65f7f096351aad1fea0854da61d6b7d9245f SHA-256: 07ff2f3eb3f85de469f3abea40f814ea577aed54f08bfb6aa5cc3dfdad9fcc39
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual download button lure, strongly suggesting an attempt to trick the user into downloading a payload. The ML classifier also flagged this PDF as malicious with high confidence. The primary malicious URL identified is http://netcdn.co/app/431946152/black-hair-on-roblox-free-game-hack.

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/black-hair-on-roblox-free-game-hack PDF link annotation
    • https://www.knjigebuducnosti.com/files/youtube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/how-to-change-roblox-name-for-free_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/hgood-websites-to-get-free-robux-from_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/roblox-devil_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/robux-free-co_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/roblox-hacks-gratis_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/pokemon-go-free-yellow-team_GM1094591345.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/coin-master-free-box_GM406889139.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/free-robux-working_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/free-coin-master-spins-link-download_GM406889139.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • https://www.knjigebuducnosti.com/files/pokemon-go-free-coins-ios_GM1094591345.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_off00002fca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FCA 22808 bytes
SHA-256: e7c22650c35b2c6730cf7bbcfdc6b8ab46a9e8d9aa7197475757bf408349d8ec
font_01_sfnt_off000062f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62F2 18940 bytes
SHA-256: bd5e8dd2f52d694d9143c93f24c395c74053d3936ad1ad0a69c69767320c81b1