PDF static analysis report

Static analysis result for SHA-256 90b3dc1ac682c6f9…

SUSPICIOUS

PDF

41.6 KB Created: 2021-05-17 11:00:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 15a3b2398ef6d3f816f87047cf31065e SHA-1: aca2e7d4d50405fe9d15e53b1a37d84865a76a38 SHA-256: 90b3dc1ac682c6f95a2e3847d412fba328ebb66fb73d08b3670e4900585ec3fe
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs that are likely malicious, masquerading as links to free in-game currency or hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button heuristic further supports a malicious intent. The document body and extracted URLs suggest a lure for free items, which is a common tactic 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-and-coins-on-coin-master-game-hack PDF link annotation
    • http://dismarinamt.com.br/images/give-free-robux_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-spins-on-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/minecraft-net-download-free_GM479516143.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/mc-update_GM479516143.pdfIn PDF document text
    • http://dismarinamt.com.br/images/reddit-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/free-roblox-hair-boy_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/hack-coin-master-2021-pc_GM406889139.pdfIn PDF document text
    • http://dismarinamt.com.br/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://dismarinamt.com.br/images/coin-master-hack-xyz-download-free_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_off00004941.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4941 24280 bytes
SHA-256: f7f765d7038101274bb540f78d925b3457ea334e7938181c8dcc723cc3925ff5
font_01_sfnt_off000080e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80E7 18060 bytes
SHA-256: 64690fddacb88a1b87eb78a3bf181b542b813998c8d2539429c7660090ba79fa