Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d6ae6ef57583021…

MALICIOUS

PDF

32.8 KB Created: 2021-07-22 08:30:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: cbd04c4e9e3bca44c301f311f0c06e42 SHA-1: 5344b1feed178af6c23dee0a46e11507f0b1d879 SHA-256: 4d6ae6ef57583021624757fd5c11938aa53a784670bcd136dba2aab93e6de783
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free Minecraft' and a 'game hack generator', directing users to a suspicious URL. The document body and embedded links suggest a social engineering tactic to trick users into visiting a potentially malicious site. Although no scripts were explicitly extracted, the PDF structure and embedded links indicate a malicious intent to redirect users, likely for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/how-to-get-minecraft-for-free-on-mobile-game-hack PDF link annotation
    • https://schneider-und-berger.de/images/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
    • https://schneider-und-berger.de/images/robux-com-free-robux_GM431946152.pdfIn PDF document text
    • https://schneider-und-berger.de/images/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
    • https://schneider-und-berger.de/images/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • https://schneider-und-berger.de/images/free-robux-website_GM431946152.pdfIn PDF document text
    • https://schneider-und-berger.de/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • https://schneider-und-berger.de/images/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://schneider-und-berger.de/images/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • https://schneider-und-berger.de/images/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • https://schneider-und-berger.de/images/coin-master-claim-free-spins_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_off00002d29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D29 22380 bytes
SHA-256: 93a5e7e653f424584d3c56c96db98cca4ba67383bc5092c6f8c27e80a0a59faf
font_01_sfnt_off00005ef0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EF0 18104 bytes
SHA-256: 355b14cb1237cfcb324f2687d1fc3cafef0ca686705333751d3cf0333155011f

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