Malicious PDF — malware analysis report

Static analysis result for SHA-256 00ab6b6d678068ea…

MALICIOUS

PDF

34.6 KB Created: 2021-07-05 22:08:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: dd123b579ff133eaae52434bbd69d737 SHA-1: c135d6b70262a91f579eda9fb6417febec826f42 SHA-256: 00ab6b6d678068ea8b9d852bbae4fecabe250045a59021192c7032928cc3df1a
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.tw/app/406889139/hack-coin-master-download-ios-game-hack PDF link annotation
    • http://perpus.masda.ac.id/repository/wwwcoin-master-free-spincom_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/robux-sign_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/ap-rewards-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/app-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-roblox-hacks-no-survey_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/roblox-free-straight-face_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/roblox-badge-hack_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/roblox-case-clicker-cheats_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/broken-bones-iv-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/yin-and-yang-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-free-spins-for-iphone_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-hack-link_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-free-robux-2021-codes_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-roblox-com_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/roblox-free-premium-v3rm_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-roblox-robux-bc-accounts-codes-more_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/com-roblox_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_off00002f91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F91 23424 bytes
SHA-256: f127f2cb94e60a2c29b8adad46725f62fe04446ba5e67e221ac5f9688dd7d688
font_01_sfnt_off00006365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6365 18584 bytes
SHA-256: 7e2265cad0f35813b24e2b6fb5d85901e9106fee019dfb682905e479749b574f

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