Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a226eb087f566c0…

MALICIOUS

PDF

42.5 KB Created: 2021-05-18 04:40:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a0bb298bb0b751cb05c9c58cd72d2e10 SHA-1: 1ceb4c47c62bd0c1bc75270d10d6b3cfc8649db2 SHA-256: 2a226eb087f566c0adaf8255ef59406f8da06e020180e7265a93991afb1de77a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document presents a fake CAPTCHA lure, designed to trick the user into interacting with a malicious link. This link, found at https://netcdn.xyz/app/431946152/how-do-you-get-roebucks-game-hack, likely leads to a scam or a second-stage payload download. The presence of numerous other URLs pointing to game-related cheats and hacks further supports the phishing or scamming nature of this document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/431946152/how-do-you-get-roebucks-game-hack PDF link annotation
    • http://j-cook.pro/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/toolbox-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-hack-unlimited-spins-apk_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-game-legitimate-hack-without-signing-up-or-shareing_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://j-cook.pro/images/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-unlimited-spin-hack-apk_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://j-cook.pro/images/hack-coin-master-8-ball-pool_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/get-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://j-cook.pro/images/free-800-robux_GM431946152.pdfIn PDF document text
    • http://j-cook.pro/images/coin-master-free-daily-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_off0000482a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x482A 25480 bytes
SHA-256: c2007102620c4cc505af2bf183bed9fb8adf27f1c1aa50ea4ef7606cde6a243f
font_01_sfnt_off0000833c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x833C 18408 bytes
SHA-256: ff346f93049ac2d3fb32d8a2c4dbad06720bfee6e4c1cdd193d0bff0cdbf25c6

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