Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a8645765bf3ad10…

MALICIOUS

PDF

47.6 KB Created: 2021-05-15 06:37:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 0dfc57b8d63f5a42e3ae074f1ebaed0b SHA-1: 501df3b34f081800170b9e4bdae04a95c66b176e SHA-256: 9a8645765bf3ad1029ca714160ad174e678cfd716b2654bccb12cf397aa6446b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are designed to lure users with promises of 'free Robux' and game hacks. These links likely redirect to malicious websites or phishing pages. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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/free-robux-working-game-hack PDF link annotation
    • http://mcdougalfamily.site/images/is-free-robux-real_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-roblox-acc_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-heaven-links_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/rich-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/claim-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-code-for-free-spins_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/free-pet-food-coin-master_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/50-000-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/how-do-you-earn-robux_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/public-enemy-sun-prairie-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-unlimited-spin-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-apk-hack-3527_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/coin-master-heaven-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://mcdougalfamily.site/images/roblox-com-redeem_GM431946152.pdfIn PDF document text
    • http://mcdougalfamily.site/images/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • http://mcdougalfamily.site/images/how-to-get-free-robux-website_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ada.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ADA 27912 bytes
SHA-256: d57bfb2894d73c40a9330a675a6b8e9945da9335d6790defde9151c0bf079d51
font_01_sfnt_off00008c48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C48 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00009633.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9633 18788 bytes
SHA-256: 146362cb081aa7c6718ebc51132ca2538876dc1922f8d33668898621d3d02efe

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