Malicious PDF — malware analysis report

Static analysis result for SHA-256 70ff5f3b0aebee25…

MALICIOUS

PDF

27.9 KB Created: 2021-05-10 18:39:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 267567e1098772d99c7ad83ae84beecb SHA-1: 33fdb4c7eeda8298356ca881542ca4b7290f32fa SHA-256: 70ff5f3b0aebee25cb38b00a15b9acfa2cf9af22588ab90398903198aab83d29
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure for a 'free generator / game hack', directing users to a suspicious URL. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs further supports a phishing or scam attempt. Although no scripts were extracted, the document's structure and embedded links suggest it is designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9759

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 https://netcdn.xyz/app/431946152/robux-fun-hack-game-hack PDF link annotation
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/hack-robux_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/minecraft-114-4-download-free_GM479516143.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/wurst-115_GM479516143.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/daily-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/get-free-spins-on-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-hack-app_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/roblox-character-free_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-get-free-robux-2021_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_off00002290.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2290 18856 bytes
SHA-256: 2d831e21f252bb5b9474de3fbb28e898b85ceb8b522730d9d58974106ff92b06
font_01_sfnt_off000049aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49AA 18412 bytes
SHA-256: 5f8acd8ad37749349105b070ed73c2c3c7a96b7e2283405d761bfe738e73485c

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