Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea9191e9e575e5ab…

MALICIOUS

PDF

34.2 KB Created: 2021-06-18 18:52:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9b2808ebe1792574acabb004224d5ea3 SHA-1: a003e87d699eeb63fc963b8e9f6f2431c9fc3311 SHA-256: ea9191e9e575e5ab9e3036660c19546c150611428efabf09e17e6a03295111f2
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs, with a primary lure pointing to a 'free generator / game hack' for Roblox. The ML classifier strongly indicated maliciousness, and the document body, though truncated, reinforces the lure of obtaining in-game items. The primary URL likely leads to a site that attempts to download further malware or phish user credentials.

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/hack-fhantom-forces-roblox-game-hack PDF link annotation
    • https://aits.co.id/ckfinder/userfiles/files/best-site-for-free-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/free-minecraft-website_GM479516143.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/https-roblox-free-robux-webword-press-com_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/coin-master-free-link-app_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/monttechscom-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/www-free-robux-com_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/free-tiktok-fans-and-likes_GM835599320.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/cheats-coin-master-free_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/roblox-robux-hack-no-download-2021_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/coin-master-hack-online-pc_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/coin-master-tricks_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/www-robux-redeem_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/nathorix-hacker-free-robux_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/coin-master-hack-tuts_GM406889139.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/watch-videos-for-robux_GM431946152.pdfIn PDF document text
    • https://aits.co.id/ckfinder/userfiles/files/how-to-get-free-robux-2021-june_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003089.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3089 21512 bytes
SHA-256: ffe478bf15fb28b9ef66723488a79f952f2a4c402436c9c8776b0181588cedae
font_01_sfnt_off00005fc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC1 19352 bytes
SHA-256: d9e5fd66f9fe8f6dde32addb893e4a5194eb83208fdf670c7f3270d37f554eb3

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