Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbe875a48d5c3ff1…

MALICIOUS

PDF

44.1 KB Created: 2021-06-03 05:57:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: bd595c992eea806d29fd224d9e61b9da SHA-1: eb41002358fb1d97707fcfec3fa245a94074bcfe SHA-256: cbe875a48d5c3ff1ef216060e51f26055568ff7556c5fb34aaa639e720074b37
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free in-game currency, specifically mentioning Minecraft coins and linking to a URL that likely hosts a malicious payload. The presence of a remote support lure heuristic suggests a potential secondary objective of gaining remote access. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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 https://netcdn.online/app/479516143/how-to-get-minecraft-coins-for-free-game-hack
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/how-to-win-free-robux_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/free-roblox-boy-hair_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/free-robux-earn_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/get-free-robux-without-doing-anything_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/coin-master-free-spin-link-new_GM406889139.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/coin-master-hack-tool-v1-9-download_GM406889139.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/how-do-i-get-free-spins-on-coin-master_GM406889139.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/free-robux-redeem-codes_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/impact-minecraft-hack_GM479516143.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/25-free-spins-coin-master_GM406889139.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/inappropriate-roblox-games_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/coin-master-hack-without-verification_GM406889139.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-robux-on-computer_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/free-roblox-accessories_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/how-to-get-free-things-on-roblox_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/abd-roblox_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/best-minecraft-hacks_GM479516143.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/boost9-com-roblox-hack_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/roblox-free-hats_GM431946152.pdf
    • https://digilib.stkip-pgri-sumbar.ac.id/repository/minecraft-hacked-client_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000051fc.bin
c18918f82d1e1afffc6431f541a7d8b468c2fbff8b8b29aec39b00b5c7a1cced		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51FC 25328 bytes
font_01_sfnt_off00008b13.bin
0037a1fc045e764a0a06593ed58f76bf502c93e6708a03a1db6b693a2071c675		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B13 17872 bytes

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