Malicious PDF — malware analysis report

Static analysis result for SHA-256 60b6914a3ec1ab70…

MALICIOUS

PDF

35.2 KB Created: 2021-06-28 01:54:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 160ad9c021fc0722386a169efd2e1e88 SHA-1: 6b73e6ea09af94d16dccdffc548933f3df850272 SHA-256: 60b6914a3ec1ab702185976cc726c661b9aff7ce2d437c11f99c521719b357e5
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains numerous embedded links, many of which are structured as SEO-optimized slugs pointing to game-related hacks and cheats. The presence of a download button lure and a high ML classifier score indicate malicious intent. The primary goal appears to be directing users to external sites that likely host malware or facilitate further compromise.

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-jailbreak-how-to-go-through-walls-hack-game-hack
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/how-to-install-minecraft-for-free_GM479516143.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/roblox-pajama-pants-free-shipping_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/quick-and-easy-robux-hacks_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/free-robux-com-no-verification_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/roblox-pc-game-free-download_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/free-robux-and-roblox_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/coin-master-daily-free-spins-blogspot_GM406889139.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/free-robux-games-on-roblox_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/how-to-get-free-outfits-on-roblox_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/how-to-hack-minecraft_GM479516143.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/roblox-adopt-me-hacks-2021_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/free-robux-roblox-online-generator_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/roblox-tycoon-hack-money_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/how-can-you-get-free-robux_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/free-robux-quiz_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/coin-master-free-spons-apk-2021_GM406889139.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/can-you-hack-roblox-for-rebirths_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id/repository/roblox-dragon-ball-future-online-script-hack_GM431946152.pdf
    • https://digilib-akuntansi.stkip-pgri-sumbar.ac.id//repository/free-robux-no-apps_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000308b.bin
2601a7f8878042dfc85ac2e4e1cffdd3cfe2b2ace60ad30d71db9b82eada917b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x308B 22504 bytes
font_01_sfnt_off000062eb.bin
a8c3268271ba39523b0b68664de9bd30b88bcec7eb0894663a8ec88811cdc220		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62EB 19612 bytes

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