Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9e83b180047f6c6…

MALICIOUS

PDF

32.8 KB Created: 2021-07-05 06:17:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 1d940c40e310f0cab832d9ff2c0ca574 SHA-1: aba8569db67e69bc9508a895ba6a2dc7cd848ef1 SHA-256: e9e83b180047f6c6cc94869f29b7aeaa4159bfa535fe32a6e0ac9fe80bcf2c69
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for game hacks, specifically mentioning 'minecraft-bedrock-client-game-hack'. It includes a high-risk heuristic firing for a game hack redirect lure and an embedded URI pointing to a suspicious domain. The document body and extracted URLs reinforce the theme of offering game cheats and hacks, likely to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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.tw/app/479516143/minecraft-bedrock-client-game-hack PDF link annotation
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/roblox-lumber-tycoon-2-whitelist-hack-script_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/pokemon-go-hack-version-free-download_GM1094591345.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-coin-master-spins-2021-link_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/roblox-free-military-clothes_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-private-server-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/what-groups-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/how-to-affect-the-server-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/minecraft-free-app_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/client-minecraft_GM479516143.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/roblox-demonius-free_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/master-coin-master-free-spin_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/bloxburg-roblox-free-money_GM431946152.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/coin-master-apk-hack-32_GM406889139.pdfIn PDF document text
    • http://e-learning.mtsn7kediri.sch.id/__statics/gudangsoal/files/daily-free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C97 21956 bytes
SHA-256: 36929d444b6ae890e11313f61c3f3e9fb31eafe2a2587f56fcc139b927aacfa3
font_01_sfnt_off00005cc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CC4 18632 bytes
SHA-256: 3c30631df9040f056af34f95d565642b95d808833d1f41454e01e129915f193b

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