Malicious PDF — malware analysis report

Static analysis result for SHA-256 40717850b84b1f12…

MALICIOUS

PDF

43.3 KB Created: 2021-05-12 08:07:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 394b2a7139985c7f4a7b1765c0a26a29 SHA-1: 6befc30fe171489091349e1ffce498c7bec57d86 SHA-256: 40717850b84b1f12276d2f04c6f8f50b515faf7e0820e930a181626a5370dc38
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous external links, identified as a PDF link farm, suggesting an attempt to manipulate search engine results or redirect users to malicious sites. The presence of a "Robux Generator" lure and a call-to-action button further indicates a phishing or scamming attempt. While no scripts were explicitly extracted, the PDF structure and extensive linking are indicative of malicious intent, likely to download further payloads or lead users to fraudulent content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/robux-generator-that-works-game-hack
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-hack-version-download-2021_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/free-spin-and-coin-blogspot_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-hacks-free-spins_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/minecraft-apk-download-free-11-055_GM479516143.pdf
    • http://lib.pps.uin-suka.ac.id/repository/free-spins-coin-master-generator_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/legit-free-spins-coin-master_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdf
    • http://lib.pps.uin-suka.ac.id/repository/free-spins-coin-master-2021-no-verification_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-hack-unlimited-spins-game-download_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-card-collection-hack_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/cheats-coin-master-free-spins-and-news_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/wurst-client_GM479516143.pdf
    • http://lib.pps.uin-suka.ac.id/repository/minecraft-gun-games-free_GM479516143.pdf
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-free-spin-daily-link_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-free-spin-and-coin-links_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdf
    • http://lib.pps.uin-suka.ac.id/repository/how-to-free-robux_GM431946152.pdf
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-hack-without-human-verification-2021_GM406889139.pdf
    • http://lib.pps.uin-suka.ac.id/repository/games-that-give-free-robux_GM431946152.pdf
    • http://lib.pps.uin-suka.ac.id/repository/coin-master-hack-app_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b0d.bin
a6c46e3e4527f457ef55027a5ce387f29213dafd1cbd8a83a5ca51618a9cc3a5		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B0D 25584 bytes
font_01_sfnt_off0000858a.bin
15f7490cbb63360669c63d4e0309a96c1c9c92749ad38ff6b0bd5fc046bedbd7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x858A 18716 bytes

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