PDF static analysis report

Static analysis result for SHA-256 892b9fb67302e8f0…

SUSPICIOUS

PDF

42.7 KB Created: 2021-05-11 20:15:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 95c4e455057747c4ad1496f082433c4f SHA-1: 17d84d7356b7bcef243b29c978c2d389ea111ef8 SHA-256: 892b9fb67302e8f0d8a450a9e0fd8bcf584a7d44994b51b0e8911e8702da1e06
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a visual download button, strongly suggesting a lure for users to download further malicious content. The ML classifier also flagged this PDF with high confidence. The presence of game-related lures like 'Robux Prices' and 'Coin Master' indicates a common social engineering tactic to entice users into clicking malicious links.

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/431946152/robux-prices-game-hack PDF link annotation
    • http://niceviaapia.com.br/images/ckfinder/files/spin-and-coin_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/get-free-coin-master_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/robux-com-free_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/free-minecraft-windows-10-with-java_GM479516143.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master-hack-apk-ios_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/minecraft-bedrock-free-server-hosting_GM479516143.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/roblox-a_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/robuxy-com-generator_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/clean-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://niceviaapia.com.br/images/ckfinder/files/coin-master-levels_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_off00004aff.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AFF 25888 bytes
SHA-256: 132ba70969c5fbd0e691caccf3c9da2948408f986cb5f028862a2b9273112fe8
font_01_sfnt_off0000850e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x850E 18124 bytes
SHA-256: d6c4a79c1b877100ce6482b1b164fdc7adac613b1876b5752fde1291de88c7d2