PDF static analysis report

Static analysis result for SHA-256 9a84e5f38a51616b…

SUSPICIOUS

PDF

34.2 KB Created: 2021-07-22 22:39:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 80e2f527d342ec93db4319f8e12ffb5c SHA-1: b8cc168b7716cc963d1b1762ce3771d465f9fe33 SHA-256: 9a84e5f38a51616b83c9c3cde4b7fd5a3f58d1921d93113415a57c4dbd11ebaa
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux, a virtual currency, and embeds multiple URLs pointing to external resources. The ML classifier flagged this PDF as malicious with high confidence. The presence of embedded URLs and the nature of the lure suggest an attempt to trick the user into downloading a second-stage payload or visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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 http://netcdn.tw/app/431946152/free-robux-no-verification-2021-game-hack PDF link annotation
    • https://kierowcyhgv.uk/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/free-texture-packs-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/how-to-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/free-tiktok-likes-generator_GM835599320.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/minecraft-free-download-windows-10_GM479516143.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
font_00_sfnt_off00002de5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DE5 22664 bytes
SHA-256: 1050c928c3ed24d58b04495e4bce3fde0a9d04fdb135dae23a1d77830d681a6e
font_01_sfnt_off000060df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60DF 19188 bytes
SHA-256: 1d678ccb09ca7ab390fe1cb16a54ee3a19d850daf1d3792b9105ae8049b7bbf5

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