Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bddb8636fdeb3e0…

MALICIOUS

PDF

43.6 KB Created: 2021-05-11 08:36:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 293d53792026e0ba12ca5c5f917a5883 SHA-1: 6aebf7c7fc39c6cc7b93c676e1be80a4d8be500f SHA-256: 0bddb8636fdeb3e0b68b2d9ddbf69e16c64778634f8ddad345ce3b9c410942e4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and other PDFs hosted on suspicious domains, all disguised as game hacks or free currency generators. The document body and heuristics indicate a lure for users interested in obtaining free items for games like Roblox and Minecraft. The primary malicious activity observed is the redirection to malicious infrastructure designed to host further malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/431946152/roblox-arsenal-hack-game-hack In PDF document text
    • https://7gking.tw/upload/files/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • https://7gking.tw/upload/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/wizard-hacks_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/wurst-hacked-client_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/can-i-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/how-to-play-minecraft-with-friends-for-free_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/how-to-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/mcpe-116_GM479516143.pdfIn PDF document text
    • https://7gking.tw/upload/files/village-coin_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/coin-master-free-spins-link-without-human-verification_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/how-to-hack-coins-in-archery-master-3d_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • https://7gking.tw/upload/files/pop-slots-free-vegas-casino-slots-machine-game-coin-master_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://7gking.tw/upload/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • https://7gking.tw/upload/files/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://www.micIn 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_off00004b36.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B36 26332 bytes
SHA-256: ed2375b62f88ff5d626eb133f6ef06a8c337f10f3579936c34bb942663ee365b
font_01_sfnt_off00008854.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8854 18184 bytes
SHA-256: 950cb6c94e3217e8d5edf097fa87367098c5f84c9f1c4255a513a3effc23c56b

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