Malicious PDF — malware analysis report

Static analysis result for SHA-256 1303d62c2fa5c115…

MALICIOUS

PDF

41.6 KB Created: 2021-05-18 04:04:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: ce1cdcceaa35c0543d06558c731f115b SHA-1: a1a53ee089173295de81923ad020c03b80786b96 SHA-256: 1303d62c2fa5c115681b3a0b9fb452e7031002bc2797f7c3bda3fe8226c1bb94
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/431946152/roblox-hack-ga-game-hack PDF link annotation
    • http://jdlwealth.com/images/minecraft-bedrock-edition-hacks_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-spins-hack-link_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-link-daily_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-games-like-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-spin-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-spins-coin-master-haktuts_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/robux-game-com_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/minecraft-games-free-download_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-daily-spin-link_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/does-roblox-premium-expire_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_off00004777.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4777 25644 bytes
SHA-256: 8ff787d361f61f8dfef361743ef640d9bcdc5bc135fcd4037a6b8b1dd6f9a96f
font_01_sfnt_off0000802d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x802D 18184 bytes
SHA-256: 3275d650180bfb45a9fb7d5756aac43dcbbafe87c7818dab7a1b2e1f44194404

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