Malicious PDF — malware analysis report

Static analysis result for SHA-256 228eb0ec0b434b18…

MALICIOUS

PDF

42.7 KB Created: 2021-05-15 03:03:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e28661c7b14d0716d96cfee9ed8049a2 SHA-1: cd63b574d29f6f3a1ed2e0e7402fac8c6c51147f SHA-256: 228eb0ec0b434b1840eabab7a4b74810b1837cb03dd539b6de3d21a1915ef178
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for a 'free Robux codes generator' which links to a malicious URL. The document body and embedded links suggest a phishing or scam attempt to redirect users to potentially harmful content. While no scripts were directly executed, the PDF structure and embedded URIs indicate a malicious intent to lead users to external, untrusted sites.

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/free-robux-codes-generator-no-verification-game-hack PDF link annotation
    • https://ceranique.nl/images/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
    • https://ceranique.nl/images/rbx-robux_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-hack-spin-160-pro_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/login-robux_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/claim-free-robux_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/get-free-robux_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-spin-sites_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-500-spins-link_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/kachifpro_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-money-links-coin-master_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/robux-free-c_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • https://ceranique.nl/images/free-roblox-groups_GM431946152.pdfIn PDF document text
    • https://ceranique.nl/images/coin-master-free-spins-promo-code_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_off000049a3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49A3 25372 bytes
SHA-256: 8989b074553942bbdc86284b98c9102d2362e83c05f6c6abb49e6c293e597fa7
font_01_sfnt_off0000831d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x831D 18776 bytes
SHA-256: a4a7f46a8ec4e4fe0089faa119d4be48f59112184e2c655defb35f5102acccee

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