Malicious PDF — malware analysis report

Static analysis result for SHA-256 95f4492d349b5717…

MALICIOUS

PDF

42.2 KB Created: 2021-05-11 22:37:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: dfdcc32d23a632d3dba2745301ef32fc SHA-1: 92083b95b0b92502de68437832bdd092a830f8bc SHA-256: 95f4492d349b571798c059556ee85e4a69fb54c4b43cbaeb733b164b9098dbad
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a game hack lure. The document body and extracted URLs confirm this, pointing to sites offering 'Coin Master Hack' and 'Roblox Hack' generators. The primary malicious URL identified is https://netcdn.xyz/app/406889139/coin-master-hack-apk-july-29-game-hack, which likely serves as a redirector to a malicious payload or phishing page. The presence of embedded URLs and the ML classifier's high confidence score support this assessment.

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/coin-master-hack-apk-july-29-game-hack PDF link annotation
    • http://italyfixer.com/images/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
    • http://italyfixer.com/images/robux-free-com_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-daily-free-spins-blog_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/minecraft-java-free_GM479516143.pdfIn PDF document text
    • http://italyfixer.com/images/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-map_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-free-coins-generator_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/how-many-free-spin-links-is-there-for-coin-master_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/50-000-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/free-roblox-gear_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/free-coins_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/free-minecraft-mods-for-xbox-one_GM479516143.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-15-free-spin-link-today_GM406889139.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
stream_003_off00004685.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4685 25520 bytes
SHA-256: 7831e4b5c285b2e58caab2f6b6e5c8dacd1c551f9f5381e854a49947c51711f5
font_01_sfnt_off0000810d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x810D 18740 bytes
SHA-256: ce865f577d2b91d9fb18a851fe7bf0d574d35b43c9543ad0a826623c00423d0e

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