Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f2d750fc4091bc9…

MALICIOUS

PDF

41.7 KB Created: 2021-05-16 06:22:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 00b49b35e2fdd72bb73af5c84a917bd6 SHA-1: 447fe90b6d6dc91cc45f3ed4ee86426373ba3596 SHA-256: 2f2d750fc4091bc9bc4e46fcf2592de446f0700db802b679083c13e0fa383667
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 0.9971

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 https://netcdn.xyz/app/406889139/get-free-spins-coin-master-game-hack PDF link annotation
    • http://wadimor.co.id/media/imagesfiles/how-to-use-redstone_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/legit-coin-master-hack-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/mcpe-com_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-codes_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-hack-free-spins_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/best-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/app-master_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-redeem-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
stream_003_off00004852.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4852 25036 bytes
SHA-256: 0536fed68693ed7a43668de6047e4c4cb12727b24242903126a60b0a9d4db9b3
font_01_sfnt_off00008204.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8204 17884 bytes
SHA-256: b0210710b9f532dde69bab3e54691bd54d84b0d7d990975f20826afd1ba27450

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