Malicious PDF — malware analysis report

Static analysis result for SHA-256 07bfa30243adddbc…

MALICIOUS

PDF

28.1 KB Created: 2021-07-05 16:30:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 2f8ad17663c83013c97eba665fe28410 SHA-1: f585552820619cf8c499fd74f999de448bb71503 SHA-256: 07bfa30243adddbc0e664a597b6b77f6143fe60e031aecae6175277c418ad6c1
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links disguised as helpful content for popular games like Coin Master and Roblox. The primary URL, http://netcdn.tw/app/406889139/hackear-juego-coin-master-espaol-game-hack, suggests a lure for game cheats. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, many of which are likely malicious or lead to phishing pages. No scripts were extracted, but the document's structure and embedded links strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 http://netcdn.tw/app/406889139/hackear-juego-coin-master-espaol-game-hack PDF link annotation
    • http://lib.fekon.untad.ac.id/repository/how-to-get-free-robux-codes-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/coin-master-daily-free-spins-link-today-twitter_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/minecraft-mojang-free_GM479516143.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-robux-genetator-hack_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/comment-cheat-sur-tower-battles-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-make-clothes-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-the-streets-hack-on-xbox-one_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/coin-master-spin-hack-trick_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-hack-any-roblox-group_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-hack-a-roblox-server-2021_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/do-robux-generators-work_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/fotos-de-hacker-en-roblox_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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003094.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3094 23000 bytes
SHA-256: 8a125c252253895ef266ac427253864d98e1834e574b6d3e2f5a536981634580

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