PDF static analysis report

Static analysis result for SHA-256 552ec62211d3f8f0…

SUSPICIOUS

PDF

35.1 KB Created: 2021-06-20 04:35:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: ab3a1a438e94aae002acff41d3d8f5d5 SHA-1: 58ee683a41ed3e2a2764305439c87f5c2c4b3692 SHA-256: 552ec62211d3f8f03aea9bc44d4d88753161474445fcce7607e6cf38ab9fbce6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, including one pointing to 'netcdn.co', which are likely intended to redirect users to malicious download sites. The ML classifier strongly flagged this PDF as malicious, and the presence of lures like 'Free Robux' suggests a social engineering tactic to trick users into downloading unwanted software. No scripts were extracted, but the overall structure and embedded URLs indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/free-robux-org-game-hack PDF link annotation
    • http://lib.fisipumt.ac.id/repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-play-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-coin-master-game_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/give-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/coin-master-spin-link-today_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-stars_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-cheat-in-roblox-jailbreak-speed-hack_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/200-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-robux-meme_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-hack-kick-gui-2021-work-in-other-game_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-ninja-animation-for-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/29-500-robux-free_GM431946152.pdfIn PDF document text
    • https://www.roblox.com/.IIn 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_off00003272.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3272 22676 bytes
SHA-256: 29844ba365b84275fdcf68e23d176c2531c59abb479996c1747bcbbad2ce55df
font_01_sfnt_off000064fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64FA 18716 bytes
SHA-256: 87f3800d4ff6e466f50c901b2be49079c1dddd0670934819cf1c88fa680f49fa

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