PDF static analysis report

Static analysis result for SHA-256 f99ca872177dcdb5…

SUSPICIOUS

PDF

34.3 KB Created: 2021-06-28 22:21:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d3649f43831bf9501d75ad1fbcf2d35a SHA-1: a8d9a60e93348174d65ece31ddfd7c58ab26919d SHA-256: f99ca872177dcdb5cca42272b3f470e97df42b176759b296d3369880c74d5f35
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites offering game exploits and hacks, such as 'Any Free Roblox Exploits 2021'. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URIs further supports a malicious intent to redirect users to potentially harmful content. The document body and extracted URLs suggest a social engineering lure to download unwanted or malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/any-free-roblox-exploits-2021-game-hack PDF link annotation
    • https://c2o-library.net/catalog/repository/coin-master-hack-here_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/how-to-get-free-robux-hack-mac_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/how-to-get-free-dinos-in-dino-sim-roblox_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/free-robux-no-games-needed_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/minecraft-114-4-download-free_GM479516143.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/free-purple-outfit-on-roblox_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/robux-hack-artmoney_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-hack-client_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/free-spins-on-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/hacker-bubble-gum-simulator-de-roblox-fr_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-how-to-get-free-hats-on-roblox-high-school_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-hack-account-download-pc_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/is-minecraft-earth-free_GM479516143.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-cheat-engine-money-hack_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/getrobux-ninja_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/roblox-scripts-prison-life-hacks-pastebin_GM431946152.pdfIn PDF document text
    • https://c2o-library.net/catalog/repository/coin-master-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F39 21784 bytes
SHA-256: 28e07bb878be5b47016bda7a86a55195c1c1a75510ebbe79f3da5d9adbeaea4f
font_01_sfnt_off00005f13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F13 19632 bytes
SHA-256: 4658f067b50a8a802e73be3737b377f46b055816ad6cef92a4aba4042bf3efb3

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