PDF static analysis report

Static analysis result for SHA-256 bff3bb9da15c0671…

SUSPICIOUS

PDF

41.7 KB Created: 2021-05-16 21:09:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a7573de936fdab88902d9de8fadd032e SHA-1: 10a51d47cab6c775a568ac52195308bc9ec49544 SHA-256: bff3bb9da15c06710b8c7503f64b3c600c4f610653fa507172022b1157f46e0b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "Coin Master Free Link Daily Game Hack" and embeds external URLs, suggesting an attempt to redirect the user to a malicious site. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent. Although no scripts were explicitly extracted, the presence of embedded URLs and the ML classification suggest the document is designed to exploit users, likely through a spearphishing attachment, leading to a potential download or further compromise.

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/coin-master-free-link-daily-game-hack PDF link annotation
    • https://ase-sinaloa.gob.mx/images/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/hack-master-coin-pc_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/is-it-possible-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/coin-master-hack-ios-cydia_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/robux-hack-me_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/how-to-get-free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/roblox-hack-client_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/coin-master-daily-rewards-link_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/minecraft-free-download-android-apk_GM479516143.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/is-free-robux-real_GM431946152.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/minecraft-noob-vs-pro-vs-hacker_GM479516143.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://ase-sinaloa.gob.mx/images/how-to-get-creative-mode-in-minecraft-server-hack_GM479516143.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_off000047cf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47CF 24600 bytes
SHA-256: c8bf6cfeeca6199ab71907d37c35f31911262dd909a14533778cd4276d9170dc
font_01_sfnt_off00008087.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8087 18304 bytes
SHA-256: d4d3f57bf8cf1b361744efde21cb2de148eed87c90371e8e56e2c4a81fe787c2