PDF static analysis report

Static analysis result for SHA-256 472a2bfc775f4fac…

SUSPICIOUS

PDF

43.6 KB Created: 2021-04-24 21:42:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f71363f3aac2541779da0b363f65e526 SHA-1: 1e151620dc6049c6df497dfc780ac0489020dd47 SHA-256: 472a2bfc775f4fac59bb73f517104209eaab17b9396cf6b8a8f09a73a28d12c2
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs pointing to websites offering 'free Robux' and 'hacks' for the Roblox game, indicating a lure for potentially malicious downloads. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of external URIs and the overall context suggest an attempt to trick users into downloading unwanted or harmful software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

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/gamekit-roblox-free-robux-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-change-your-username-on-roblox-for-free.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-bc-hack.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/como-hackear-roblox-robux-gratis-2021.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-no-game-download.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-free-robux-clothes.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/hot-to-hack-roblox-games.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/online-free-roblox-games.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-iphone-2021.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-doungnquest-legandary-hack.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-nike-roblox-shirts.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003f5f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3F5F 26564 bytes
SHA-256: ac099f5f4ac0c759bdb285232a4847a27e24bc6ee711393885e9cafa440ead29
font_01_sfnt_off00007ca2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CA2 2848 bytes
SHA-256: 4737c2778a085e0cb49e73f3b054b1a71e3f40720d213b4bfda97f95a31bfbf1
font_02_sfnt_off00008664.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8664 18968 bytes
SHA-256: cf7699f0a356665e5de6238214c6d152eab4616483038b77557f0ba08d19f9d2

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