Malicious PDF — malware analysis report

Static analysis result for SHA-256 372c58011008caa5…

MALICIOUS

PDF

35.2 KB Created: 2021-06-22 08:32:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 9f3757ca8c7c0e402377b62e56884005 SHA-1: 79fbe9246890f1c9ed47a0ed980ebe0eb36f634d SHA-256: 372c58011008caa5f7a2ad66eb66796850b69e0a6329cbc9bd4adda1d607ddd2
102 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many of which are related to game hacks and free currency, indicating a link farm or phishing attempt. The ML classifier also flagged this PDF as malicious with high confidence. The document body contains a title and a URL related to making a Minecraft server, further supporting the lure of free game-related 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/479516143/how-to-make-your-own-minecraft-pe-server-for-free-game-hack
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/roblox-hack-app_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/get-free-robux-info_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/how-to-block-someone-on-coin-master_GM406889139.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/how-do-i-get-robux_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/free-card-link-coin-master_GM406889139.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/how-to-get-free-tiktok-fans_GM835599320.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/free-account-roblox-with-robux_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/get-free-spins-coin-master-2021_GM406889139.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/free-robux-codes-2021-not-used_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/apps-to-get-free-robux_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/codes-how-to-get-free-robux_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/roblox-god-mode-hack-2021_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/claim-gg-free-robux_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/roblox-premium-free_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/free-spins-for-coin-master-game_GM406889139.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/free-robux-without-offers_GM431946152.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/coin-master-fb-free-spins-link_GM406889139.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/free-spins-coin-master_GM406889139.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/free-tiktok-hearts_GM835599320.pdf
    • https://elearning.mtsn2palembang.sch.id/__statics/gudangsoal/files/how-to-get-more-robux-for-free_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003443.bin
35fb31f99d64851bdbff85f9ed42e520735d4e7d055e92455f049a92909c4b1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3443 22116 bytes
font_01_sfnt_off00006535.bin
b0df4deb82070028e0d22c60232b6b3179353926a3a5e8fc0d5a0185ddcbde20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6535 18900 bytes

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