Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b5a9b68d38b589f…

MALICIOUS

PDF

42.1 KB Created: 2021-04-28 23:10:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0c225dc8516624c3a78a2d957f09ad45 SHA-1: ecb0fc8f17d368af5bb9dd5a058d6af18abb1a9c SHA-256: 9b5a9b68d38b589f5566cc816bc0d5d804df21f936f5216e6a1c9b12db99321c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and text that explicitly promote a 'Roblox hack' or 'generator'. One of the embedded URLs, https://netcdn.xyz/app/431946152/hack.com-for-roblox-game-hack, is flagged as a known malicious redirector. The document body also contains a call-to-action phrase 'CLICK HERE TO ACCESS ROBLOX GENERATOR', indicating a likely attempt to trick the user into downloading or accessing a malicious payload. No scripts were extracted, but the presence of malicious links and the lure suggest a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/hack.com-for-roblox-game-hack In PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-infinity-rpg-infinite-money-hack.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/addrbx-earn-free-robux.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/project-alpha-roblox-cheat.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-2021-robux.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-roblox-accounts-with-bc-2021.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/how-to-hack-roblox-kat.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/best-hacker-noob-roblox-avatar.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-account-roblox-2021.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-how-to-get-a-free-vip-server.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/hack-roblox-ultimate-driving.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

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_off00003fb5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3FB5 30140 bytes
SHA-256: 596202fe183feff855a91cfa487ec89e3002d28b1af8e02232ec8c2a4c922651
font_01_sfnt_off00008205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8205 18672 bytes
SHA-256: c0a4a166a2ca74943906047e3a62b99bd5e33b4065e327fb1f92b2b1f52cac95

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