Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c9b3844ec7f6377…

MALICIOUS

PDF

34.5 KB Created: 2021-06-29 05:16:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 2ab10e15f189a246dca920fb7f9c9657 SHA-1: 9f35fcbc5aa437c760e82c97828625683a643d6d SHA-256: 1c9b3844ec7f6377f1d0d740bb229e355e948bace6b102e35a3c0ba70aaf10b1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free items, directing users to a malicious URL. The presence of embedded URLs and the ML classifier's high confidence indicate a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document's structure and content strongly suggest a phishing or redirection attack.

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.co/app/431946152/get-free-stuff-on-roblox-game-hack PDF link annotation
    • http://wadimor.co.id/media/imagesfiles/coin-master-hack-injection_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/tiktok-free-zong_GM835599320.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-hack-coin-master-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-cheat_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-vip-on-roblox-top-model_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/get-free-lives-on-coin-master_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/coin-master-hack-software_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/spins-gratis-coin-master-hoy_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-work-at-a-pizza-place-manager-hack_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/tiktok-free-mode_GM835599320.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/hacked-client-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/how-to-get-free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://wadimor.co.id/media/imagesfiles/roblox-nike-shirt-free-shipping_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E2 22176 bytes
SHA-256: 54105932d44ba59c9406dfcafab21b37d688d2c3fb1ad01c2b84f613054106d3
font_01_sfnt_off00006214.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6214 18896 bytes
SHA-256: 0daba7acaf57711a2f0879df5038fabc21d02741b8ae01064946eb8d7a48f05c

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