Malicious PDF — malware analysis report

Static analysis result for SHA-256 1209cd1bfe9ca560…

MALICIOUS

PDF

42.4 KB Created: 2021-05-19 07:45:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: bb36e2547f4d420d33657fe08e1eab04 SHA-1: 0c3e0016e6459ff4133aaf27c6c3474e079ea05b SHA-256: 1209cd1bfe9ca56004f820be8dbbb4ac5a3bb70493480f1b513a6eee5b471949
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure related to 'free Robux' and 'game hacks', directing users to a suspicious URL. This indicates a social engineering tactic to trick users into visiting a potentially malicious site. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/ways-to-get-free-robux-2021-game-hack PDF link annotation
    • http://demenagementlandry.com/images/game-give-free-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-apk-mod-coin-master_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/redeem-roblox-card-free_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/hack-para-coin-master-singapore_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/give-me-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/install-coin-master_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-do-you-earn-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/hack-coin-master-8-ball-pool_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-support_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-robux-real-working_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/minecraft-games-free-download_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/minecraft-free-demo_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-heaven_GM406889139.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_off000046d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46D8 25936 bytes
SHA-256: 15772eb79a0becce0977354e4005624ba74d908c256cfff7eacb938205d36b57
font_01_sfnt_off000080b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80B4 19128 bytes
SHA-256: 23f4c6d0bfdce0b55b29b4c4e1f8fc5f357783b93db13de52c4fadcc57c1eadd

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