Malicious PDF — malware analysis report

Static analysis result for SHA-256 5dabe4129bf7bdfb…

MALICIOUS

PDF

42.6 KB Created: 2021-05-16 13:10:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 5c746ef097dbf7c519d94e841698f66e SHA-1: aae585748d35cc1fff64fd02928c54dcdeb01d52 SHA-256: 5dabe4129bf7bdfb17acd1f9e364d7ec090682f908a93a59a1318e1fd61445d3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains heuristics indicating it links to external game hack and free generator sites, a common lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to potentially harmful content, likely as part of a phishing or scam campaign.

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/blox-fun-info-game-hack PDF link annotation
    • http://jdlwealth.com/images/free-roblox-toy-codes_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/get-free-roblox_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-roblox-toys_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-daily-spin-link_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/minecraft-112-2-hacked-client_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/free-spins-coinmaster_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-free-pets_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/robux-free-co_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-hack-2021-without-verification_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-link-daily_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/but-link-says-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-guide-to-free-spins-and-rewards_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-minecraft-accounts-2021_GM479516143.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_off00004807.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4807 26892 bytes
SHA-256: 3259c0a9e3d0dc58dca8589ee99cf88c5158ad011c8684f97e1db75bd614f83b
font_01_sfnt_off0000857e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x857E 17928 bytes
SHA-256: 378f68af7bda96ca08821290e5d02393c78bb3c0fb942949d143c89702000491

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