Malicious PDF — malware analysis report

Static analysis result for SHA-256 db46e55a45c0edac…

MALICIOUS

PDF

35.4 KB Created: 2021-06-18 06:42:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9a89abd9ea795cffe2e8b153133ee75a SHA-1: f171fb0e0628b6a41d9147a77f01f20f7da8fb47 SHA-256: db46e55a45c0edacaad52ff3d731b4a2a1ed28b30bd1c594011824d455345270
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links that redirect to malicious infrastructure, masquerading as generators for game currency or hacks. The heuristic firings indicate that these links are associated with known malicious redirectors and lure tactics. While no scripts were explicitly extracted, the nature of the embedded links and the lure content suggests an attempt to drive users to download further malicious content or visit phishing sites.

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/406889139/free-coin-master-links-game-hack In PDF document text
    • http://force-seniorklub.dk/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-free-spins-ios-2021_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/how-to-hack-roblox-with-inspect-element-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/get-free-tiktok-fans_GM835599320.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-spins-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/robux-hack-site_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/robux-match_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/how-do-i-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-free-stuff-links_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-tiktok-likes-app_GM835599320.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-minecraft-java-server_GM479516143.pdfIn PDF document text
    • http://force-seniorklub.dk/images/roblox-free-login_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/rbx-earn_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/coin-master-free-pin_GM406889139.pdfIn PDF document text
    • http://force-seniorklub.dk/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://force-seniorklub.dk/images/wurst-commands_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_off00003471.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3471 23024 bytes
SHA-256: e8d389224468f70c26408753afebc835a58f09898a9c698b8eb8dc646b729c74
font_01_sfnt_off00006829.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6829 18168 bytes
SHA-256: 8de0148014db431be508c837079dea1fd88eb4d3bf9aad0e575fcfb6a46af486

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