PDF static analysis report

Static analysis result for SHA-256 1aaa61f9a2d58a24…

SUSPICIOUS

PDF

40.4 KB Created: 2021-04-27 12:45:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ba84d2741558fe09468de62e99fda254 SHA-1: b2e48782e3dde3322e45b8df4a15c5eb94175ede SHA-256: 1aaa61f9a2d58a24d4e2e4a1a9901ab73dd27b67f9951ab8065b0118dd293511
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a site offering 'free Robux', a common lure for malicious downloads. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the lure suggest the document is intended to trick users into downloading and executing a second-stage payload.

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/free-robux-working-game-hack PDF link annotation
    • http://www.saburai.ac.id/elibrary//repository/cheat-engine-roblox-2021.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-hack-into-files-to-get-robux.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-i-got-rthro-packages-for-free.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/roblox-cheat-engine-wall-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/hack-tool-for-roblox-pc.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/robux-free-logiciel.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/how-to-make-a-roblox-hack-using-hxd.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/auto-rap-battles-roblox-hack.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/free-robux-november.pdfIn PDF document text
    • http://www.saburai.ac.id/elibrary//repository/dragon-keeper-roblox-cheats.pdfIn PDF document text
    • https://robux-rank.comIn 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_off000040de.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x40DE 25608 bytes
SHA-256: 92343b9645218df9f853f016bcfbde0443461bb7c829ee356ba2771bc12c9492
font_01_sfnt_off00007ab0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AB0 18788 bytes
SHA-256: 146362cb081aa7c6718ebc51132ca2538876dc1922f8d33668898621d3d02efe

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