Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0019ab5e1977139…

MALICIOUS

PDF

49.2 KB Created: 2021-06-03 13:22:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 523cd99e6f69d3b7330c27ebb602b6c6 SHA-1: c008256bb2ccb4d6b3f7217be5a79f2332a21802 SHA-256: d0019ab5e1977139c02cbd3014af902b3f7e63adac405d1a56f280dacfe7dee1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of 'free Robux' or 'game hacks' to entice users to click on embedded links. The primary link redirects to a URL associated with malicious activity, suggesting the document is designed to lead users to potentially harmful content or further malware. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.online/app/431946152/free-robux-without-human-verification-real-game-hack PDF link annotation
    • http://ebook.itn.ac.id/repository/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/300-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/minecraft-free-version_GM479516143.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/free-robux-app-real_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/reddit-robux-hack_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/free-robux-microsoft_GM431946152.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/minecraft-free_GM479516143.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/online-coin-master-hack-here_GM406889139.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/coin-master-free-spins-2021-app_GM406889139.pdfIn PDF document text
    • http://ebook.itn.ac.id/repository/minecraft-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004e4e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E4E 27108 bytes
SHA-256: 4827c2485296f7b8f060e2c1ca17d92c0029eb8b31cbe5eafc53c1db825aeb20
font_01_sfnt_off00008ad4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AD4 4660 bytes
SHA-256: 465209964a09586ac5022a8b8e85d53299c19051a953d4aa9891341d9cc85b22
font_02_sfnt_off00009ae8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AE8 19296 bytes
SHA-256: fcd37aae12381262441149b3f055c838aea0a99c045645b338d4096dcdd54a9c

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