PDF static analysis report

Static analysis result for SHA-256 0fe0f95af7994459…

SUSPICIOUS

PDF

43.5 KB Created: 2021-06-03 03:30:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 5b57de7bb0a9c67dbd2c0043fce39d74 SHA-1: 52e3d4a80f5ad37ff4e27118ccae31b221db5c14 SHA-256: 0fe0f95af79944596eeab6b2be3bdcd5d00190295f789b5c487d1a3019de79f7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded URLs, including one directly linked to a potential download, and a heuristic firing for a visual download button. The ML classifier also flagged this PDF as malicious with high confidence. These indicators suggest the document is designed to trick users into downloading malicious content, likely through a social engineering lure related to games or in-game items.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/479516143/minecraft-hacker-skin-game-hack PDF link annotation
    • https://purihostel.com/assets/CKImages/files/pubg-uc-online-generator_GM1330123889.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/robux-link_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/master-coin-free-link_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/all-free-items-in-roblox_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/minecraft-toolbox-premium-apk_GM479516143.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/roblox-svg-free_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-hack-apk-35-13_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-coin-hack_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/roblox-free-hats_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-free-spin-27_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/roblox-com-www_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/free-minecraft-mods-for-xbox-one_GM479516143.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-free-account_GM406889139.pdfIn PDF document text
    • https://purihostel.com/assets/CKImages/files/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
    • https://playhack.in/minecraftIn 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
stream_004_off0000510c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x510C 24784 bytes
SHA-256: fe287cfd7887a5268adb3d640346c0db645aa0483b800101206a23ec75a05277
font_01_sfnt_off00008936.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8936 17740 bytes
SHA-256: 91fe2762de83ff68ec278d498415159af7d0ffb5c1d0151dc7294afbb77550eb