PDF static analysis report

Static analysis result for SHA-256 1bc81e765cffa88b…

SUSPICIOUS

PDF

41.5 KB Created: 2021-04-29 00:07:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ee06ffcb61cbade5423470dc13d8b4d4 SHA-1: a0fe3bd29d4b5c3bc46b01a17580f321459d4b88 SHA-256: 1bc81e765cffa88b8f88aa4ae5e2ac6f5346e5465317e4b8c7322fb655757e7b
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux, directing users to a URL that likely hosts a malicious payload. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URLs reinforces the suspicious nature of the document. No scripts were extracted, but the overall pattern suggests 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/how-to-get-free-robux-no-verify-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-minecraft-game-free.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-hack-free-robux-and-tix-no-survey.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-app-for-ipad.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-2021-no-survey.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/odes-for-free-things-on-roblox.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-girl-hair-on-roblox-for-free.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-hack-gear-in-the-roblox-catalog.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-instant-inspect-element.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/robloxgiveaway-xyz-free-robux.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-safe-roblox-injector.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_off00004451.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4451 25848 bytes
SHA-256: 39ed45080c986fc6d3f34a1e4b872d81f1e2f149622d792da7efb9580dcc8614
font_01_sfnt_off00007f4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4F 18716 bytes
SHA-256: 440541b2781fc78814d2da7b40e568f478a57f3e72e1740694f2eb900b0fdd1c

Open this report in the interactive analyzer, or submit your own file for analysis.