PDF static analysis report

Static analysis result for SHA-256 858b865912475d93…

SUSPICIOUS

PDF

41.0 KB Created: 2021-05-16 11:07:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 91571ec4faa30c0fcf1a7e646f6b299e SHA-1: 54a41de25c5fea6ada98c2df168b3b7e88da4d5d SHA-256: 858b865912475d932919768f5275d6becd57aa9bc3fe8472c94ea3c6143ccfdc
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs that appear to be lures for game-related hacks and cheats, such as Minecraft skins and Coin Master spins. The presence of a high-confidence ML classifier firing and external URI heuristic strongly suggests malicious intent, likely to download a second-stage payload. The document body, though partially corrupted, also contains a URL pointing to a potential download.

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/479516143/free-minecraft-skins-game-hack PDF link annotation
    • http://bgnails.nl/images/coin-master-pc-hack_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/send-me-500-2021-spins_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
    • http://bgnails.nl/images/hack-coin-master-apk-358_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/easy-robux_GM431946152.pdfIn PDF document text
    • http://bgnails.nl/images/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • http://bgnails.nl/images/buxblast-com-robux_GM431946152.pdfIn PDF document text
    • http://bgnails.nl/images/minecraft-free-download-laptop_GM479516143.pdfIn PDF document text
    • http://bgnails.nl/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/daily-coin-master_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/minecraft-windows-10-edition-hacked-client_GM479516143.pdfIn PDF document text
    • http://bgnails.nl/images/how-to-get-free-spins-on-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/coin-master-cheat-apk-free-download_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/static-moonactive_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/coin-master-pro-hack_GM406889139.pdfIn PDF document text
    • http://bgnails.nl/images/microsoft-robux_GM431946152.pdfIn PDF document text
    • http://bgnails.nl/images/como-hackear-coin-master-en-espaol_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_off000047c5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47C5 24672 bytes
SHA-256: 24e1c7c1245c2912093ffecb9000099e879599945de65b61725e304333908709
font_01_sfnt_off00007f77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F77 17740 bytes
SHA-256: 14879269a8559ae987a62032ee6d1223d63a0cf7b4214af4691cfda5a28d5ffa