PDF static analysis report

Static analysis result for SHA-256 c05aaefe5f877ba8…

SUSPICIOUS

PDF

35.3 KB Created: 2021-06-18 03:40:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c83fd0dba3a366d0d820c24190276d15 SHA-1: d38c248c3e8f674e994586d7b26a65ad45e1e5fa SHA-256: c05aaefe5f877ba83a5cc4df521a1476dab45ae3d7fecb6ca7f02629b1fe5f09
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a prominent external URI pointing to a "Robux Generator" download, indicating a lure for potentially unwanted or malicious software. The ML classifier strongly flagged this PDF as malicious, supporting the assessment that this is a phishing or scam attempt. No scripts were extracted, but the presence of external links suggests an attempt to download a second-stage payload.

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/blox-free-robux-generator-game-hack PDF link annotation
    • https://lib.btkljogja.or.id/repository/cheats-on-roblox-deathrun_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/grab-points-login_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/hacks-para-roblox-sin-ijectores_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/free-robux-100-real-2021_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/roblox-com-games-referrer-roblox-player_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/a-vide-on-how-to-hack-in-roblox_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/roblox-help-someone-hacked-me_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/telecharger-hack-pour-roblox-mad-city_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/is-minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/free-robux-easy_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/robux-rewards_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/what-is-coin-master-app_GM406889139.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/hack-xp-net-coin-master_GM406889139.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/coinmasterfreespins_GM406889139.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/minecraft-free-app_GM479516143.pdfIn PDF document text
    • https://lib.btkljogja.or.id/repository/ways-to-get-robux_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_off00003240.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3240 22884 bytes
SHA-256: 82c42f2109996cbbe46a0df9b731ebf7aa2aa5b8d86f69ca16b2b228858573ff
font_01_sfnt_off0000658d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x658D 18896 bytes
SHA-256: 5c57bd9247f9c314d0a6d25b1744449b06afb2276be29ad1dcc8fe57fa2972fa