Malicious PDF — malware analysis report

Static analysis result for SHA-256 280d9578a56f5f1e…

MALICIOUS

PDF

30.1 KB Created: 2021-05-14 19:42:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2418b0f32118733fcfbe373de164e518 SHA-1: 1495434e2cd325cac7b28e7c704a3ea91935e302 SHA-256: 280d9578a56f5f1e0e171651ab454776b66b61291927fdd0dba9b012299639ae
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded links, identified as a link farm, that direct users to websites offering game cheats and free in-game currency. The primary URL, https://netcdn.xyz/app/406889139/free-spins-coinmaster-game-hack, is likely a malicious landing page designed to exploit user interest in these topics. The document's structure and content strongly suggest a phishing or scam attempt, leveraging common gaming lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 3

  • 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.
  • 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/free-spins-coinmaster-game-hack
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/best-minecraft-hacked-client-2021_GM479516143.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/robux-free-robux_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/free-coin-master-gold-cards_GM406889139.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/games-that-give-free-robux_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-downloading-apps_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-free-coins_GM406889139.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/minecraft-pe-hacked-client-download_GM479516143.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hack-2021_GM406889139.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/roblox-arsenal-hack-script-pastebin_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-free-spin-ml_GM406889139.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/robuxy-com-generator_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/minecraft-hacked-client-download_GM479516143.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/codes-how-to-get-free-robux_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/coin-master-daily-free-coins-link-today_GM406889139.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/mcpe-master-hack-unlimited-coins-apk_GM406889139.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/get-free-robux_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/free-robux-redeem-codes_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/claim-free-spins-coin-master_GM406889139.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/free-robux-codes_GM431946152.pdf
    • http://elearning.mtsn2kulonprogo.sch.id/__statics/gudangsoal/files/hacks-para-coin-master_GM406889139.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004cb8.bin
c85561371aa24beaa25b334617e91d20ac423e066323f63ff2ee64b417410a7f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CB8 18856 bytes

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