Malicious PDF — malware analysis report

Static analysis result for SHA-256 009b72df0af92c4f…

MALICIOUS

PDF

34.3 KB Created: 2021-06-29 00:35:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f920cef73ca0dcb77417ec664b50815c SHA-1: 6c2f11e9f78f04a5088431d4bc97faa0d5750fc3 SHA-256: 009b72df0af92c4fe077e9fbf3f558df74f49cc6ca3e89a8e4c10451d259fad0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to redirectors and other PDF files, all related to game hacks and cheats, indicating a lure for potentially malicious downloads. The heuristic firings confirm the presence of malicious redirector links and a general lure for game hacks. While no scripts were explicitly extracted, the document's structure and embedded URLs suggest it is designed to lead users to further malicious content, likely for credential harvesting or malware delivery.

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-speed-hack-booga-booga-game-hack In PDF document text
    • https://ezgolfer.com.tw/image/data/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/roblox-i-hacked-place-rebuilder_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/free-minecraft-alts_GM479516143.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/robux-cheat_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/roblox-script-hack_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/free-roblox-accounts-dump-2021_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/tiktok-free-view-30_GM835599320.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/coin-master-free-spins-usa-2021_GM406889139.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/how-do-you-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/coin-master-app-hack_GM406889139.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/mm2-hacking-vim-roblox_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/how-to-get-free-robux-without-subscribing_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/free-minecraft-packs_GM479516143.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/roblox-free-download_GM431946152.pdfIn PDF document text
    • https://ezgolfer.com.tw/image/data/files/minecraft-free-edition_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
font_00_sfnt_off00003028.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3028 21984 bytes
SHA-256: 7f8433e036d06f416a4f3fbc57f9553f435ca330525e5e8449f923840f170550
font_01_sfnt_off000060d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60D6 19008 bytes
SHA-256: c6094ef9e9d38ddff136efc4782611d8758c905fbbc8b665d2136b144cb4c037

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