Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e9db44d02c77210…

MALICIOUS

PDF

34.8 KB Created: 2021-06-30 08:01:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 097ea2ebb210d6b0682f220954503745 SHA-1: 5264f0f20c74f5acd5247ba4cf341928435b37ac SHA-256: 2e9db44d02c77210e49225a34180a35f726d40d6191f995f08e4f1f045e861fa
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which are related to game hacks and cheats for popular games like Roblox and Coin Master. The document body and extracted URLs suggest a lure to potentially malicious websites or downloads. The ML classifier also strongly indicated maliciousness.

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/how-to-get-skeleton-package-free-roblox-game-hack
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/como-hackear-coin-master-ios_GM406889139.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-texture-packs-for-minecraft-pe_GM479516143.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/how-to-hack-on-roblox-games-2021_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/roblox-hack-website-no-download_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/roblox-marketplace-for-free_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/how-to-get-free-robux-using-pastebin_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/how-to-get-daily-free-spins-on-coin-master_GM406889139.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/100-robux_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-robux-roblox-promo-codes_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-robux-clothes_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/minecraft-free-download-mac-full-version_GM479516143.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/how-to-get-800-robux-for-free_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/roblox-generator_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/free-coin-master-spins-blog_GM406889139.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/download-hack-coin-master-apk_GM406889139.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/gamehunters-club-coin-master_GM406889139.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/install-free-game-coin-master_GM406889139.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/lazyblox-free-robux_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/comment-ont-fais-pour-avoir-un-cheat-sur-roblox_GM431946152.pdf
    • https://www.trendsfashionusa.com/uploaded_files/userfiles/files/roblox-points-hack_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000322d.bin
4530eda60e0f2fe1929fcd5a10855f05bba10086551aa2663029965c698d7d66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x322D 21940 bytes
font_01_sfnt_off00006294.bin
1ae8fdca062611ebbfc50a30ff88ab6d115daf97132566d41dfe0c1521f73141		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6294 19244 bytes

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