Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a6906b4f4d8f5a…

MALICIOUS

PDF

41.6 KB Created: 2021-05-19 20:36:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9d140d73897e4b79cfe8c2b9128e9c0c SHA-1: 54f814e9acb398def39f7633e3168be737f01a24 SHA-256: c2a6906b4f4d8f5a20206380e574c0860338c7e37f65a9485958fb7ed0e3e018
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 0.9971

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/1330123889/pubg-uc-17-game-hack PDF link annotation
    • http://halitbayramoglu.com.tr/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-cards-hack-2021_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/how-to-get-free-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/pubg-uc-980_GM1330123889.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/minecraft-java-edition-free-code_GM479516143.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-heaven-free-spins-link_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/card-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/free-dominus-roblox_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/coin-master-hack-version-download-2021-android_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/actual-free-robux_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/master-game_GM406889139.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://halitbayramoglu.com.tr/images/hack-coin-master-xyz_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_off00004899.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4899 24876 bytes
SHA-256: de51f286316adfaaee6bb9e88bdc600f8637b6ec17f56373a2e6bb38784a2c93
font_01_sfnt_off000080dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80DC 18060 bytes
SHA-256: 121efad188ac00459b1925c8c8271b05987e0953e90cb50c343848bdbe32b8b5

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