Malicious PDF — malware analysis report

Static analysis result for SHA-256 6216a74e6914590e…

MALICIOUS

PDF

34.4 KB Created: 2021-07-05 20:32:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3b2c0f831756db084897fbbd94941a5a SHA-1: 25bfedead77b7c329bc03a6d3483215562e9408b SHA-256: 6216a74e6914590e7faf65091fd27d13b8a46d3b95d10d6499fdb6f6499f08a5
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a link farm, strongly suggesting a phishing or scam attempt. The document body explicitly mentions 'Free Robux Today' and includes URLs related to game hacks and cheats. The ML classifier also flagged this PDF as malicious with high confidence. The presence of embedded links and the lure of free in-game currency indicate an attempt to direct users to malicious websites, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/free-robux-today-game-hack PDF link annotation
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-website-no-survey_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-to-et-free-robux-on-roblox-and-bc_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-ooga-booga-chest-spawn-cheat_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/denis-roblox-hacked_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-to-free-catalog-items-in-roblox-no-copy_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/descargar-hack-de-robux-para-roblox-2021_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/is-roblox-hacking-illegal_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/easy-robux_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/robux-hack-real-no-survays_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/check-cashed-roblox-hack_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-website-no-hack_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-roblox-glasses_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-to-get-robux-admin-cheat_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-hack-free-spins_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD0 22256 bytes
SHA-256: 0090357716458f8cf8c287e30503e2ee75bb2e258f8285bb92224ef1ff5cb06d
font_01_sfnt_off0000615e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x615E 19072 bytes
SHA-256: 46cfca18e06d620ca18af6b576997b97068e9f2425fa6aacc62e6f72c392fa15

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