PDF static analysis report

Static analysis result for SHA-256 9f1b2dc9417fbc0d…

SUSPICIOUS

PDF

39.9 KB Created: 2021-04-23 22:26:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 9db64b48db179f2cb3e5199c02309c87 SHA-1: 307da592c93a658d38e7dbfb42bfc59df3444b7f SHA-256: 9f1b2dc9417fbc0dc0856940b641035c2f44f21dd12c984d64ffef1644e8567d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an external URI pointing to a site offering 'hack to get robux', and multiple embedded URLs also related to Roblox cheats. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external links and the lure of game hacks suggest an attempt to trick users into downloading further malicious content or visiting compromised sites.

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://netsecure.top/app/431946152/hack-to-get-robux-2021-game-hack PDF link annotation
    • https://sitecontabil.com.br/ckfinder/userfiles/files/cool-free-roblox-skins.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/how-do-you-hack-a-roblox-server.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/roblox-aimbot-hack-phantom-forces.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/money-cheat-retail-tycoon-roblox.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/addmin-comands-in-roblox-hacking.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/top-10-free-items-in-roblox.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/roblox-ninja-animation-free.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/unlimited-jump-hack-roblox.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/hacked-noob-roblox.pdfIn PDF document text
    • https://sitecontabil.com.br/ckfinder/userfiles/files/robux-kaufen-free.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_off00004132.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4132 24112 bytes
SHA-256: 84cb21693bed7fa479881dde7c1a4f50671772aeb87216de9ba0a7fc1850eeb6
font_01_sfnt_off00007894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7894 18756 bytes
SHA-256: beae828125f6351ac6c1ce0da737a94e46800bca7efdc224ea4487c53ce26f90

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