Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e1d45d9bb178264…

MALICIOUS

PDF

33.9 KB Created: 2021-06-18 19:44:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 66c55d2381277967c8e0df5e119456a1 SHA-1: ecba17790564b1d537a6edc8ca3cf4fb4cc284e7 SHA-256: 2e1d45d9bb17826449891d5fb9bf8094926dd57ccaaee9398d3794458c8327cf
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs disguised as game cheats and hacks, aiming to trick users into downloading malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, and the ML classifier strongly flags this PDF as malicious. The presence of a download button lure further supports the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/ccv3-roblox-cheats-2021-game-hack PDF link annotation
    • https://lib.bunghatta.ac.id/app/repository/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-hack-in-roblox-and-get-path_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/hacks-roblox-jailbreak-descargar_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-unlimited-spin-apk-free-download_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-for-all-game-that-is-kind-ofm-like-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-cheats-free_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/megapolis-hack-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/real-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-hack-injustice-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/hacks-to-get-free-robux-on-roblox-in-2021_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-hack-apk-android_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-free-faces-on-roblox-2021-mac_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-free-robux-by-using-inspect_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-free-robux-without-verification_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_off00002e5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E5D 21808 bytes
SHA-256: abf6b2e4ec3545e56411e2538e6f1a7ffd6b3a7b8c027a9c9f294a077d098148
font_01_sfnt_off00005e21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E21 19448 bytes
SHA-256: 0add2e283306aaed02262ed134c69091ca1def3fd9f7cb33e5e58da4100fbb38

Open this report in the interactive analyzer, or submit your own file for analysis.