Malicious PDF — malware analysis report

Static analysis result for SHA-256 934d107534dd34ee…

MALICIOUS

PDF

36.7 KB Created: 2021-07-02 07:26:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: a9b57b62c8446511def573e4b6ff2504 SHA-1: ac70f5fd4426eb9f7265a59cb3c789ab01b641f5 SHA-256: 934d107534dd34eef4ce5fbe9ae63df03dd530e8eb5e48df52c2f901ff9c34e9
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous external links, many of which are SEO-optimized to appear as legitimate resources for obtaining free Robux. The primary URL, http://netcdn.co/app/431946152/free-robux-de-ohne-handynummer-game-hack, likely serves as a landing page for a malicious download or exploit. The PDF structure and embedded links suggest a phishing or scam attempt to trick users into downloading malware or visiting malicious sites.

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.co/app/431946152/free-robux-de-ohne-handynummer-game-hack PDF link annotation
    • https://library.itn.ac.id/perpusitn/repository/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/how-to-download-roblox-strucid-hacks-for-free_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/roblox-mad-games-hack_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/www-roblox-com-catalog-free_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/dominos-hat-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-free-spins-may-11-2021_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/robux-download_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/how-to-get-free-limited-items-on-roblox_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/how-to-re-roblox-server-hack-script_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/glitch-hacks-free-roblox_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/best-pklayed-games-free-roblox_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/toolbox-for-minecraft_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/free-minecraft-education-edition_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/how-can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/como-hacer-que-roblox-no-detecte-cheat-engine_GM431946152.pdfIn PDF document text
    • https://library.itn.ac.id/perpusitn/repository/coin-master-hack-version-download-2021-ios_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_off000035e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35E3 22748 bytes
SHA-256: 4aac1f79cf6158c27d4ce478d8c1622d712dbc05be337d7d134f64f9293aec07
font_01_sfnt_off00006914.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6914 19664 bytes
SHA-256: 2f8b276b8aabe79f535932bcd9c04a1501648646afc6b3adfc88941cb93baa44

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