PDF static analysis report

Static analysis result for SHA-256 bcea150288ce3a1e…

SUSPICIOUS

PDF

48.4 KB Created: 2021-06-09 04:53:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: d9e50a26417c52ddd698d35624b2c196 SHA-1: ce96ec58906bf651de80d0d2ba458ba245a80415 SHA-256: bcea150288ce3a1e8fdf630862804b491e4cd78a719ca6bea027dd7fdf365656
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and a document body that attempts to lure the user with promises of free Robux and TikTok followers. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it being used for phishing or distributing malware. The presence of multiple suspicious URLs suggests a campaign aimed at redirecting users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/how-can-i-get-free-robux-for-friends-game-hack PDF link annotation
    • http://prazdnik-kzn.ru/images/free-tiktok-followers_GM835599320.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/roblox-controversy_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/how-to-get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/roblox-free-hats-2021_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/coin-master-fun-hack_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/how-to-hack-admin-in-any-roblox-game_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/minecraft-bedrock-server-hosting-free_GM479516143.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/weird-roblox_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/minecraft-download-free-download_GM479516143.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/get-free-robux_GM431946152.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://prazdnik-kzn.ru/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004f76.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F76 26144 bytes
SHA-256: 29df4aab24767e13dee8dfdc5124c277169aa4d8e3d3b36971f297e46960d0b1
font_01_sfnt_off00008c28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C28 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off000098d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98D0 18804 bytes
SHA-256: 52d88f9a21b4c6f6cf51baa7d1233b55c0674ab5e0e1a6e40453264a6dfecf6f