PDF static analysis report

Static analysis result for SHA-256 d7622b4499182300…

SUSPICIOUS

PDF

35.0 KB Created: 2021-07-05 17:42:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 874b5fc58435b5cdd6605df9da24a0cf SHA-1: f079df604dd9da30db70bfc109fc246f3e94fe99 SHA-256: d7622b4499182300fa26c8b17daebfbba108267d42b482d28b9031563b604f7f
42 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and a visual call-to-action, strongly suggesting it is designed to trick users into downloading a secondary payload. The ML classifier also flagged this PDF as malicious with high confidence. The primary URL identified is http://netcdn.tw/app/406889139/spin-free-coin-master-game-hack, which likely hosts the malicious content.

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.tw/app/406889139/spin-free-coin-master-game-hack PDF link annotation
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/free-redeem-code-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/roblox-hack-game_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/military-simulator-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/roblox-ww2-cheats_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/noclip-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/lego-hacking-roblox_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/apps-for-free-robux_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/username-roblox-generator-hack_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/pokemon-go-free-7-day-research-reward_GM1094591345.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/roblox-jailbreak-hack-no-download_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/free-rewards-coin-master_GM406889139.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/get-free-robux-on-roblox-games_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/robux-maker-free_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/free-robux-games_GM431946152.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
    • https://www.beritabali.com/new/public/ckfinder/userfiles/files/boost9-com-roblox-hack_GM431946152.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_002_off0000341a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x341A 22744 bytes
SHA-256: bceee6d1000f7c2012a8d110b0098ad34b1ecfaa4843899ae922ec1da13489b8
font_01_sfnt_off000066b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66B2 18176 bytes
SHA-256: 8b68a35672d5b21ea29aeea640c198d2f03cb2d1fa451451c8ac02328cee2fb7