Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeeed13568205ecb…

MALICIOUS

PDF

35.2 KB Created: 2021-06-29 20:36:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: c5eae568b0e7d97558e67d425ecb025c SHA-1: da841f4dfd724b5dd086a810074377b35592e0c0 SHA-256: aeeed13568205ecba9d0e34ec226235653fcc798ec67d87078d8ffcf6cc01656
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/free-idle-animation-roblox-game-hack PDF link annotation
    • http://library.yamasi.ac.id//repository/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-bear-mask-roblox_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/how-to-et-robux-for-free_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/get-robux-com_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/robux-download_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/hack-roblox-rocitizens-unlimited-money_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/unlimited-spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/how-to-become-antman-for-free-roblox-sharkblox_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/free-mod-apk-coin-master_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-card-codes-generator-roblox_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/roblox-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/coin-master-hack-game-download-mod-apk_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/free-minecraft-com_GM479516143.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/minecraft-114-4-download_GM479516143.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/roblox-army-free-robux_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_off0000309c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x309C 22844 bytes
SHA-256: 32649400500724fb3b2626c8f199a13fb3f880d594b67b16cadba388a75b6e32
font_01_sfnt_off000063fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63FD 19308 bytes
SHA-256: 1776b7af9e456a274ebcfaba493172e71a70d52a634ce11bb8ff3581959d3c8d

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