Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c334d3f10e565bc…

MALICIOUS

PDF

46.2 KB Created: 2021-06-02 09:15:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5133f3cc81c0d531f38e34bfc2a27633 SHA-1: 68d1e59aeb0af465f9cd02776226cd25236b556d SHA-256: 5c334d3f10e565bc8d8649f72483c6fe299f868b8bbf72cda0129a5a860783cf
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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-roblox-hack-script-executrer-game-hack PDF link annotation
    • http://halitbayramoglu.com.tr/images/free-coin-master-spin-generator_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/archery-master-3d-hack-unlimited-coins-cheats_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-cards-hack-2021_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-views-on-tiktok_GM835599320.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/how-do-you-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-free-coins-and-spins-today_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/watch-ads-for-robux_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-free-spins-and-cards_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/minecraft-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-hack-us_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_off00005140.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5140 27792 bytes
SHA-256: 1cef94534f68b4ceea258f785ee9d43c8699d6a7d492e68e771d39b478a323ad
font_01_sfnt_off00009033.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9033 18884 bytes
SHA-256: 264336daa340202ca7cb4e85d438ac7598cd34dbbe5fc6d9b0c5d21d0f514e56