PDF static analysis report

Static analysis result for SHA-256 b541cfd4c8c0132a…

SUSPICIOUS

PDF

41.1 KB Created: 2021-04-28 05:24:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 22ed89cf491fe896b8d1212780a8efeb SHA-1: 50891684f62e78fd682ed33e828a50c8b2041ddd SHA-256: b541cfd4c8c0132ac8fed0985c027b32c47659e14fb269f84afed4e29a783ac8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs, with one specifically highlighted as a potential external URI related to a Roblox cheat. The ML classifier strongly flagged this PDF as malicious, and the presence of a 'download button' heuristic further supports a malicious intent to trick the user into downloading a payload. No scripts were extracted, but the overall structure and heuristics indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/roblox-jailbreak-cheat-noclip-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/roblox-vehicle-simulator-money-hack-cheat-engine.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/mount-everest-roblox-free-rescue-gamepass.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/denis-free-robux-app.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/ben-10-roblox-free-games.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/i-hacked-this-person-on-roblox.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/best-roblox-hacks-for-unfiltered-games.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-no-verifacation-or-scam-mobile.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/get-20210-robux-on-roblox-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-jailbreak-speed-hack-update-codes-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-for-free-without-downloading.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 3

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_off00004047.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4047 27584 bytes
SHA-256: 1186df3a8326319bf0c73acfa8ed1902bd6925c6ce161c2dbbbec928adfa86f6
font_01_sfnt_off00007ce9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CE9 18912 bytes
SHA-256: 80383631f42a9a8bb010c21f4a7a5787627795d57b67f15f5bf9c76b15c7a10c

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