Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ea682ac4a8a7075…

MALICIOUS

PDF

45.1 KB Created: 2021-05-17 16:46:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 85c14ed37ab5b59db0baeaab6e760971 SHA-1: 86d56ab1109d1e877c7833953ec858a115d1488b SHA-256: 3ea682ac4a8a7075a5c64f7c8dbb138f0af3979066674fce3303d22d12fda635
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirector infrastructure, specifically promoting 'free generator' or 'game hack' lures. The document body, though partially corrupted, contains text related to 'free Roebucks' and includes the malicious URL. The presence of these links and the deceptive content strongly suggest a phishing or scam attempt, likely leading to further malware download or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9621

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/how-to-get-free-roebucks-without-verification-game-hack In PDF document text
    • http://brandyourbody.com/images/coin-master-free-pet-food_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/free-minecraft-skins-java_GM479516143.pdfIn PDF document text
    • http://brandyourbody.com/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/free-card-collection-in-coin-master_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/oprewards-com-robux_GM431946152.pdfIn PDF document text
    • http://brandyourbody.com/images/coin-master-hack-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/free-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/roblox-com-games-referrer-roblox-player_GM431946152.pdfIn PDF document text
    • http://brandyourbody.com/images/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://brandyourbody.com/images/coin-master-free-spins-and-coins-haktuts_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/free-roblox-generator_GM431946152.pdfIn PDF document text
    • http://brandyourbody.com/images/minecraft-free-install_GM479516143.pdfIn PDF document text
    • http://brandyourbody.com/images/mcpe-download_GM479516143.pdfIn PDF document text
    • http://brandyourbody.com/images/robux-free-online_GM431946152.pdfIn PDF document text
    • http://brandyourbody.com/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/roblox-login-hack_GM431946152.pdfIn PDF document text
    • http://brandyourbody.com/images/latest-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/coin-master-codes_GM406889139.pdfIn PDF document text
    • http://brandyourbody.com/images/minecraft-116-1-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004906.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4906 24820 bytes
SHA-256: 6b327981d0bacf0030082492ce8b5b24487fb6fa58e7d5f50760654a16f90dfa
font_01_sfnt_off00008197.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8197 2852 bytes
SHA-256: e9630f3bb738ae3bc329a423cf069c8035d70ce2227e3557c42815f85ad3284f
font_02_sfnt_off00008b59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B59 19088 bytes
SHA-256: 76bef895ccedca0d7e127244f2800d03548f0f97fc145608aee0aac4223f94a8

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