Malicious PDF — malware analysis report

Static analysis result for SHA-256 e68af80997fd2de0…

MALICIOUS

PDF

33.9 KB Created: 2021-06-25 20:49:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ffaa6531e9a29e8e66b6ae01777bc7e9 SHA-1: a286516e1ffe9200326e2df7a2d1cbf3b469dcc5 SHA-256: e68af80997fd2de02599e9602a0de7225a86f676acf5029a36276bf8cec53c47
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and potentially malicious domains, disguised as a lure for game hacks and generators. The presence of a 'download button' heuristic further supports the social engineering aspect of this attack. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a malicious intent to redirect the user to harmful content.

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-free-no-download-or-sign-up-game-hack In PDF document text
    • https://www.jjpremiers.com/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • http://jjpremiers.com/files/coin-master-links-for-free-spins_GM406889139.pdfIn PDF document text
    • http://jjpremiers.com/files/free-roblox-gift-card-codes_GM431946152.pdfIn PDF document text
    • https://www.jjpremiers.com/files/coin-master-free-spin-game_GM406889139.pdfIn PDF document text
    • https://www.jjpremiers.com/files/tiktok-free-iphone_GM835599320.pdfIn PDF document text
    • https://www.jjpremiers.com/files/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.jjpremiers.com/files/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • https://www.jjpremiers.com/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://www.jjpremiers.com/files/coin-master-village-cost_GM406889139.pdfIn PDF document text
    • https://www.jjpremiers.com/files/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://jjpremiers.com/files/how-to-get-free-roebucks-without-verification_GM431946152.pdfIn PDF document text
    • http://jjpremiers.com/files/undetectable-roblox-cheat-engine_GM431946152.pdfIn PDF document text
    • http://jjpremiers.com/files/real-robux-generator_GM431946152.pdfIn PDF document text
    • http://jjpremiers.com/files/get-coin-master-spins-free_GM406889139.pdfIn PDF document text
    • http://jjpremiers.com/files/best-roblox-hair-free_GM431946152.pdfIn PDF document text
    • http://jjpremiers.com/files/free-minecraft-hosting-24-7_GM479516143.pdfIn PDF document text
    • http://jjpremiers.com/files/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
    • https://www.jjpremiers.com/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://www.jjpremiers.com/files/7-year-old-roblox_GM431946152.pdfIn PDF document text
    • https://www.jjpremiers.com/files/hacks-minecraft_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_off00002d7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D7C 21956 bytes
SHA-256: 5bca56cce85bba66efb38e0ddbfd44311d43f74d2bcd8890afdd3c24ffc223d6
font_01_sfnt_off00005e14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E14 19452 bytes
SHA-256: cf76fe032545e3c0b26003ea31b5700aad7d7ea24a665817e0e85bb104ec5cdd

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