PDF static analysis report

Static analysis result for SHA-256 58d1ce6376adb32c…

SUSPICIOUS

PDF

42.8 KB Created: 2021-05-17 17:37:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a7773af616def762e5cf0dccfab6dc7b SHA-1: 6bdc1d4f1ecc1f22f9ecd953c2667caa02296326 SHA-256: 58d1ce6376adb32ce7a1eaf1a37b3b0e9d51558279283091756c6b71c7d5375e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a lure for "free spins on Coin Master game" and an embedded URI pointing to a suspicious URL. The ML classifier also flagged this PDF as malicious. The presence of these elements suggests the document is designed to trick users into visiting a malicious site, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/free-spins-on-coin-master-game-game-hack PDF link annotation
    • https://silvterie.com.br/images/ckfinder/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/20210-robux_GM431946152.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/minecraft-client_GM479516143.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/free-domain-for-minecraft-server_GM479516143.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/free-card-link-coin-master_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/master-coin-free-link_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/coin-master-hack-online-pc_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/hack-coin-master-online-without-human-verification_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/minecraft-free-minecraft_GM479516143.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/free-minecraft-worlds_GM479516143.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/do-robux-generators-work_GM431946152.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/today-coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/get-free-robux_GM431946152.pdfIn PDF document text
    • https://silvterie.com.br/images/ckfinder/files/game-hunters-coin-master-free-spins_GM406889139.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
stream_003_off000048e4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48E4 26836 bytes
SHA-256: a690afca0e492910c8ba61354c021682fdaaae91c37217a19b14c9504857c5ff
font_01_sfnt_off0000857f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x857F 18148 bytes
SHA-256: b1f30c98449655e0c119849c00bf29bb9bd656252beb56b2567f3adea4b6d957