Malicious PDF — malware analysis report

Static analysis result for SHA-256 e588ccfbfbd1725d…

MALICIOUS

PDF

34.2 KB Created: 2021-06-19 21:04:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: ba0992ffe1169269ca19e2d8f852c9e0 SHA-1: 1b2cc639c447ad9c15866adab85037bddb5a2ed4 SHA-256: e588ccfbfbd1725da71e2b6038209ec165bea992c4f6f0a344866fdf8c4480e9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/roblox-hack-client-game-hack PDF link annotation
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/minecraft-bedrock-free-server-hosting_GM479516143.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/client-minecraft_GM479516143.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/cheats-for-robux-2021_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/bloxland-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/roblox-studio-free-download_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/roblox-real-hack-robux-real-encrypted-pc_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/roblox-dragon-simolator-hack-script_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/pubg-uc-price-in-bd_GM1330123889.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/pubg-uc-wholesale_GM1330123889.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://e-learning.mansapa.sch.id/__statics/gudangsoal/files/roblox-free-wings_GM431946152.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_off000030af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30AF 21944 bytes
SHA-256: 8040034e29c9e1b5f4a6537a8fc192171e0eafea12088d54471561550cc85cfd
font_01_sfnt_off00006111.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6111 18880 bytes
SHA-256: aff42d3783a335d76f19585087556b5fc01da002b55490b257e48f03a6311b61

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