Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6b2fdea7039f1b7…

MALICIOUS

PDF

34.2 KB Created: 2021-06-18 02:58:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fb66e8d562b32b590c6d46daea00e5f4 SHA-1: 562968663cfb4f1086fe23b08138bed716b8496e SHA-256: b6b2fdea7039f1b738ee8633eb7a1d967d268775b04be11514a1bfa732ef7170
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to known malicious infrastructure, specifically promoting 'game hacks' and 'free generators'. The primary lure, 'how-to-professionally-hack-roblox-game-hack', points to a redirector that likely serves a malicious payload. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a phishing or social engineering attack aimed at tricking users into visiting malicious 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/431946152/how-to-professionally-hack-roblox-game-hack In PDF document text
    • http://brokermortgages.com/images/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/how-do-you-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/free-minecraft-printables_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/free-tiktok-likes-no-survey_GM835599320.pdfIn PDF document text
    • http://brokermortgages.com/images/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-unlimited-spin-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/minecraft-kill-aura_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/roblox-hack-ios_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/free-minecraft-packs_GM479516143.pdfIn PDF document text
    • http://brokermortgages.com/images/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/jailbreak-script_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • http://brokermortgages.com/images/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://brokermortgages.com/images/coin-master-daily-spins-and-coins_GM406889139.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_off00002da5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DA5 22784 bytes
SHA-256: c5e157437b537451fa7d3a96e38b939b40fd743cb5ea716515ab3eee74926bc1
font_01_sfnt_off00006092.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6092 19088 bytes
SHA-256: 9e1b4ba1c066ac31b0b06966d9788b433b7aef033bd3f111ff50298b95bcd62d

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