Malicious PDF — malware analysis report

Static analysis result for SHA-256 09f4b8b475daf983…

MALICIOUS

PDF

35.8 KB Created: 2021-07-05 10:22:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 8659e195de89d757b8c40214a2572d98 SHA-1: 6f20fba319787ecc3000829d633d7e490277077f SHA-256: 09f4b8b475daf98357a676efd8b739e6baaa79fe4e2c438731ea6d9ced0d43af
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a prominent link to a website promising game hacks, which is a common lure for malicious content. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the PDF structure and embedded links suggest it is designed to redirect users to potentially harmful sites, likely for malware distribution or phishing.

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.tw/app/406889139/coin-master-free-gold-cards-link-game-hack PDF link annotation
    • http://www.library.umbjm.ac.id/repository/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/roblox-glitch-how-to-get-free-clothes_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/free-executor-roblox_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/free-robux-generaters_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/lots-of-robux_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/roblox-free-model-virus-script_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/coin-master-hack-ios-download_GM406889139.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/how-can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/roblox-script-executor-free-2021_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/minecraft-net-free_GM479516143.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/coin-master-mod-apk-free-download_GM406889139.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/plug-toolbox-for-minecraft-free-ios_GM479516143.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.library.umbjm.ac.id/repository/robux-in_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003477.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3477 23200 bytes
SHA-256: 08181c4cfbe7d140bcafe9a4f3b4573fe6cc309e0223afe14ac9e63abf316027
font_01_sfnt_off000068dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68DD 18416 bytes
SHA-256: 89113b1104d7a8f0ec89d4a785a1cf441d54076bb8a1f1cdfa29711bc1c2c75d

Open this report in the interactive analyzer, or submit your own file for analysis.