Malicious PDF — malware analysis report

Static analysis result for SHA-256 e569313b388f3f94…

MALICIOUS

PDF

45.7 KB Created: 2021-06-13 20:01:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 0125524a5cf49abf38570874a665bf5b SHA-1: 0e57fb9dcfd81271cb4e91d830594a18a9bd0bec SHA-256: e569313b388f3f94c41ab125ce1a53d3581c526648240bdc103badc341700fb3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs, with a primary focus on luring users with promises of free game currency or hacks for popular games like Roblox and Coin Master. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates a malicious intent to redirect users to potentially harmful sites. While no scripts were explicitly extracted, the nature of the lures and the presence of numerous external links suggest a phishing or malware distribution attempt, likely initiated via spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-get-free-robux-card-codes-game-hack PDF link annotation
    • http://fkunismuh.org/perpustakaan//repository/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-robux-accounts-2021_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/coin-master-free-attack-hack_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/free-roblox-app_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/coin-master-codes_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/actual-free-robux_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/roblox-admin-hack-client_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan//repository/reddit-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/coin-master-hack-no-root_GM406889139.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/coin-master-unlimited-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.fkunismuh.org/perpustakaan/repository/roblox-hack-get-infinate-money-on-bloxburg_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/free-roblox-girl-clothes-codes_GM431946152.pdfIn PDF document text
    • http://fkunismuh.org/perpustakaan/repository/moon-active_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_off00004d34.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D34 29088 bytes
SHA-256: bbbb1682c1ed17c83082040472a7ddfffa507cd3e7e21d22bc6ba61b75ae043b
font_01_sfnt_off00008f5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F5C 18592 bytes
SHA-256: 5a005cde99a585aa2fd6603f3b2d32bd5c08abf50a78f9f6799f261fbe74ae6b

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