PDF static analysis report

Static analysis result for SHA-256 cf55492d36883e8d…

SUSPICIOUS

PDF

44.4 KB Created: 2021-05-16 08:01:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0ca76aa9c033d2f6783ad500a5c67b37 SHA-1: 66212b05721aa69e08c299a5bbfdcd853df9c0ce SHA-256: cf55492d36883e8d54ff88d6c15f0b5bbc5d59409f22db39740c14dba779e29d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that explicitly mention 'Coin Master Daily Free Spins Hack' and 'Robux', indicating a lure for in-game currency or cheats. The ML classifier also flagged this PDF as malicious. The presence of external URIs suggests the document is designed to redirect users to potentially malicious websites for scams or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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/coin-master-daily-free-spins-hack-game-hack PDF link annotation
    • http://dennemaat.nl/images/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/how-to-get-100-robux-for-free_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/how-do-i-earn-robux_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
    • http://dennemaat.nl/images/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/free-cracked-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://dennemaat.nl/images/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
    • http://dennemaat.nl/images/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/earn-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/free-spins-and-coins-from-coin-master-game_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/coin-master-free-spin-and-coins-fbid-links_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/coin-master-hack-mod_GM406889139.pdfIn PDF document text
    • http://dennemaat.nl/images/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • http://dennemaat.nl/images/coin-master-hack-apk_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_003_off000048c4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48C4 24588 bytes
SHA-256: f033c6b439d26d5bc226fbc98b529e39def028e15b59faf042c2afdc517f4b22
font_01_sfnt_off00007fd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FD0 18476 bytes
SHA-256: c2f5b1848ff169b31c97a42ada7a437145dc26f40c6d7c3b53e9420ed4832cc1
font_02_sfnt_off0000a25a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA25A 3264 bytes
SHA-256: e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088