Malicious PDF — malware analysis report

Static analysis result for SHA-256 8cd4d692eda1823b…

MALICIOUS

PDF

34.1 KB Created: 2021-06-18 00:18:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: afe34ea4b8c11f588e3151876249db0a SHA-1: 6ef70810dd388e7ae55a80415fb184d9682aeee2 SHA-256: 8cd4d692eda1823b8b4531d3957db63b9f1e6603a53d6b980695211982d7281d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a high-confidence heuristic firing for a game hack redirect lure, pointing to a suspicious URL. The document body also contains the same URL, suggesting the primary purpose is to trick users into visiting a site that likely hosts malicious content or further redirects. No scripts were extracted, but the overall pattern indicates a phishing attempt to lure users to a malicious 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.co/app/431946152/free-expert-scripters-roblox-game-hack PDF link annotation
    • http://gornjastubica.hr/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • http://gornjastubica.hr/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/rbx-free_GM431946152.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://gornjastubica.hr/files/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/tiktok-free-roblox-accounts_GM835599320.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/smart-lodhi-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
    • http://gornjastubica.hr/files/minecraft-free-minecraft_GM479516143.pdfIn PDF document text
    • http://gornjastubica.hr/files/coin-master-get-free-cards_GM406889139.pdfIn PDF document text
    • http://gornjastubica.hr/files/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
    • http://gornjastubica.hr/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://gornjastubica.hr/files/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://gornjastubica.hr/files/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
    • http://gornjastubica.hr/files/get-free-robux-today_GM431946152.pdfIn PDF document text
    • https://www.gornjastubica.hr/files/coin-master-free-spin-whatsapp-group-link_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 6

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_off00002f6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F6A 22208 bytes
SHA-256: 186572b6b43990f32f1864b3194d24f7c8c21e403b72306c4b9c626253b62c9f
font_01_sfnt_off00006099.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6099 18864 bytes
SHA-256: 0be1c44f16fcd21c80f37f952d75e235d66d6925e6ad10c5c5d417e5847ef64b

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