Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c032ee9005b3c0c…

MALICIOUS

PDF

34.2 KB Created: 2021-07-05 13:58:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 1d5c68d519e43098573a3bd999273955 SHA-1: aef6e3adc8a786b7f62b3b5444b172289ba1e3dc SHA-256: 6c032ee9005b3c0c4ec5bd925283b5693127fef52fb090f43d71a4d33c702fbe
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and generators, directing users to a malicious URL. The ML classifier strongly indicated maliciousness, and the presence of numerous embedded URLs associated with similar lures reinforces this assessment. No scripts were extracted, but the document's structure and embedded links suggest it is designed to lead the user to a potentially harmful website.

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/479516143/114-hacks-game-hack PDF link annotation
    • http://stitqi.ac.id/website//repository/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-to-play-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/fake-robux-codes_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/add-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-level-3_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/robux-free-online_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/tiktok-free-like_GM835599320.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/roblox-com-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-get-free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-robux-download_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/money-hacks-for-rocitizens-roblox_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/deadly-sins-retribution-release-script-roblox-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-hack-apk-2021-ios_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/original-roblox_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-robux-no-human-verification-and-no-survey_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_off000033b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33B0 22160 bytes
SHA-256: 75664ab533d1221aeff54739f02f797d7eeb23430890ca936024c62f86e61537
font_01_sfnt_off00006431.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6431 17968 bytes
SHA-256: 90526a5d8708cb9048ef93648a16ed66c6c0d6de1b3ad7957a3bca9956e007df

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