Malicious PDF — malware analysis report

Static analysis result for SHA-256 d002890902134dfa…

MALICIOUS

PDF

45.0 KB Created: 2021-05-19 00:00:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 92e622da5c107354461196d774199560 SHA-1: 3166a4677f16880655752ee4d902d3e21028003e SHA-256: d002890902134dfa8d0f76f588fb8205c50cc921999752a1ed47db7b46e2a2ba
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains multiple embedded URLs and a heuristic firing for a 'secret recovery' lure, indicating an attempt to trick users into revealing sensitive information or downloading further malware. The document body, though heavily obfuscated, contains references to hacking and game cheats, reinforcing the lure. The primary URL identified is https://netcdn.xyz/app/406889139/how-to-hack-coin-master-apple-game-hack, which likely hosts the malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

Heuristics 4

  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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.xyz/app/406889139/how-to-hack-coin-master-apple-game-hack PDF link annotation
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/robux-earning-websites_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/minecraft-noob-vs-pro-vs-hacker_GM479516143.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/rbx-place-free-robux_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/pasos-para-hackear-coins-master_GM406889139.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/minecraft-anarchy-server-no-hacks_GM479516143.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/optifine-pe_GM479516143.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/free-minecraft-wallpaper_GM479516143.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/mcpe-free-download_GM479516143.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/free-minecraft-client_GM479516143.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/300-daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/microsoft-bing-robux_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdfIn PDF document text
    • https://www.kontraktorjogjadiy.com/ckfinder/userfiles/files/roblox-free-rubox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ca1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CA1 25056 bytes
SHA-256: 7db1a92eb13e23d7f39739cf3178af8947e536d08ae63c7f000a3933e50b97f3
font_01_sfnt_off000083c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83C8 2868 bytes
SHA-256: d2d857e2ddc1082c7667b23f2135a5c0ba26a2ff8b42c86c89c8e0b09aece855
font_02_sfnt_off00008db3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB3 18128 bytes
SHA-256: b6a735d9e3f53415aa491e3485cc1cfcf2c3f420c3f64ca45b3fcf2c99820254

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