Malicious PDF — malware analysis report

Static analysis result for SHA-256 e46b4fad90e72fca…

MALICIOUS

PDF

34.3 KB Created: 2021-06-28 07:00:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 3001f109dc86b4990f59bd7cb176aab8 SHA-1: 6eb7c0064549488b14ff5b099af171126ce03046 SHA-256: e46b4fad90e72fca5ca969cbc5db3434b203cd3196ebbb4409f90432f9576a66
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which appear to be part of a link farm designed to attract users searching for game cheats and hacks. The presence of a direct download URL and the overall structure suggest an attempt to distribute potentially unwanted or malicious software. Although no scripts were explicitly extracted, the PDF's nature and the heuristic firings indicate a malicious intent to redirect users to harmful content.

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/roblox-making-hacker-smilator-game-hack PDF link annotation
    • http://lib.fisipumt.ac.id//repository/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-spins-for-coin-masters_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/money-and-ranking-hack-roblox-link_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-vehicle-simulator-codes-free-lamborghini_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/how-to-do-the-frog-hack-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/minecraft-bedrock-hacks-windows-10_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/dbz-hack-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/wheel-decide-roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/coin-master-game-hack-version-download_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-free-followers_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id//repository/minecraft-free-download-apk-softonic_GM479516143.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/coin-master-free-spins-link-2021-app_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/download-coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/pokemon-go-free-online-download_GM1094591345.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/5-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fisipumt.ac.id/repository/get-free-spins-coin-master-2021_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_off00003056.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3056 21712 bytes
SHA-256: 4f18216391d078af4317e1f8f99c48d66bf658cec7dc903e730894e8d8eaebdd
font_01_sfnt_off0000601c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x601C 19336 bytes
SHA-256: ad489342773c3632dce269c6fa9276f829de13c7be80a09adff0651a49aa6d61

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