Malicious PDF — malware analysis report

Static analysis result for SHA-256 e10016538d545bcf…

MALICIOUS

PDF

32.5 KB Created: 2021-06-25 19:13:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6a0b7e8316372bc91221b94a5697de25 SHA-1: 104663d99753b12440d16d4870e042611efe3614 SHA-256: e10016538d545bcf088416103181f4538aced5a8acf0dcb69db17c81fc63c563
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF document contains multiple embedded links and a call-to-action button, all directing users towards a lure for "Real Working Robux Hack". The primary link redirects through known malicious infrastructure, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious redirection workflow designed to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/real-working-robux-hack-game-hack In PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-get-roblox-gift-cards-for-free_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/roblox-com-hack_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/coin-master-free-spins-daily-1-ga_GM406889139.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/kachifpro_GM406889139.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/robux-maniac-free-catlog-bookmarks_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/como-hackear-uma-conta-do-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-coin-master-game_GM406889139.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/roblox-free-skin_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/www-free-robux-com_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/10-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-get-free-robux-2021-2021_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-lobby-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/how-to-fly-in-roblox-without-hacks_GM431946152.pdfIn PDF document text
    • http://elibrary.smknesbu.sch.id/repository/free-robux-real-2021_GM431946152.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_off00002963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2963 22012 bytes
SHA-256: fb9e8a084a45cd37628822c6b5269ce0a3c07639e1b53c9202e11f2f2aaf0a8c
font_01_sfnt_off00005a0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A0B 19112 bytes
SHA-256: 5760c31f8ab9c83ebb95c66d77bc4f9bea16e102efd6307e98d74882c75cb0ad

Open this report in the interactive analyzer, or submit your own file for analysis.