Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a11514225323197…

MALICIOUS

PDF

46.1 KB Created: 2021-05-30 13:29:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: d27a066ea2c381d4620680c35775d6c9 SHA-1: a3db07c0a2f2225bd9dc6247ad8b31f979884bbc SHA-256: 8a11514225323197e7eefc902ec9fbf7a675c8ced28ddce9d004810f08e13f21
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and generators, directing users to malicious redirector infrastructure. The primary redirector URL is https://netcdn.xyz/app/479516143/minecraft-free-download-unblocked-game-hack, which then leads to other malicious PDFs hosted on hundt-druck.de. This indicates a phishing or scam campaign designed to lead users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9580

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/479516143/minecraft-free-download-unblocked-game-hack In PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/robux-hack-me_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-comments_GM835599320.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/best-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-codes_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-views-on-tiktok_GM835599320.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/claim-free-robux_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-windows-10-hacked-client_GM479516143.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
stream_003_off000056ce.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x56CE 25244 bytes
SHA-256: 1bd1781fa38a879ed668f93ba27b17f7de111d47341d0152b0ef64259181c4d3
font_01_sfnt_off00008fd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FD6 18804 bytes
SHA-256: 351b73efa1cf4358b07b283040b01ec481d6b0b50516ad4f4e94e13994b713ed