Malicious PDF — malware analysis report

Static analysis result for SHA-256 8dab8ad0810401c1…

MALICIOUS

PDF

35.4 KB Created: 2021-06-27 21:20:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 082b742d84bf966c358fbfdcc9ed6318 SHA-1: 31201c1f219ff5f56226e00e6c8ffb4df9330062 SHA-256: 8dab8ad0810401c136c2c006bcc128cdbc43167d6ba3926f9f79e635ea3b0341
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one to a known malicious redirector, masquerading as game hacks and generators. The document body and heuristics indicate a lure to download or access content from these links, likely leading to further malware or phishing. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a malicious redirection workflow.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-got-hacked-2021-video-and-evidence-game-hack In PDF document text
    • https://sunnygarden.com.tw/image/data/files/free-robux-without-verification_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/how-to-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/knife-ability-test-roblox-hack_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/coin-master-free-spin-app-iphone_GM406889139.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/how-to-get-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/roblox-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/coin-master-free-spins-daily-link-game-mod_GM406889139.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/roblox-redeem_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/hacks-to-insert-in-roblox-console_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/roblox-pc-version-free-download_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/tiktok-download-free-jio-mobile_GM835599320.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/roblox-abs-free_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/youtube-inquisitormaster-free-robux_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/www-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/roblox-free-maps-download_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • https://sunnygarden.com.tw/image/data/files/how-to-hack-coin-master-game-without-root_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_off0000303a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x303A 22848 bytes
SHA-256: 26b6385b5c18ecbc34294a12af93b52459a53996e39b36ab3bf0d79bb690d0c6
font_01_sfnt_off00006325.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6325 19704 bytes
SHA-256: 092f7dd40e1776808fba163ae02974221f6b9c4d4dfd183f80875180b452ecf5

Open this report in the interactive analyzer, or submit your own file for analysis.