PDF static analysis report

Static analysis result for SHA-256 dc177cfa6b452d8b…

SUSPICIOUS

PDF

43.2 KB Created: 2021-04-27 10:31:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5821494a63d43617608131295d1f4022 SHA-1: 71c9448dbc0e540684a1f975315305fe8cb86eb0 SHA-256: dc177cfa6b452d8b8685f3d51831f4156e5d7ed8027aee964871d0fedc587d62
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux, a virtual currency, and includes an external URI pointing to a suspicious domain. The ML classifier also flagged this PDF with high confidence. The presence of multiple embedded URLs suggests an attempt to redirect users to malicious sites for further exploitation or payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9936

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/free-robux-instant-inspect-element-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-2021-android.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/hacks-para-roblox-2021-octubre.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-to-play-right-now.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-cheat-in-roblox-prison-life.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-money-cheats-2021.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-hack-kick-gui-juin-2021.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-hide-and-seek-game-for-free.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-emergency-response-liberty-county-free.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-promocodes-hacks-pastebin.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-its-free-logo.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
stream_003_off0000431a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x431A 29600 bytes
SHA-256: 1d09d6fa3f9644193f116fc26fb60305b1c3224424386d932c377aa66e84ef90
font_01_sfnt_off000085c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85C8 18856 bytes
SHA-256: 22cf081d6633590a4c52d1b2583de3003f3207dea0c7b887273e397bb7c0412a

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