Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3693c637470744b…

MALICIOUS

PDF

34.1 KB Created: 2021-06-27 12:06:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 68b4d2ba052f470ee317263769100d56 SHA-1: bbe51902103f573b67cd79841d240a31a1172233 SHA-256: e3693c637470744bfaf5e6dcdc1f5d0014d28b3414d50098afa52eeb799c0474
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that lead to a known malicious redirector, masquerading as a "free Robux hack". The document body and heuristics indicate a lure for game-related cheats or currency. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or scam attempt to redirect users to potentially harmful websites.

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/free-robux-hack-youtube-pc-game-hack In PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-to-get-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/100-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/spin-and-coin-link_GM406889139.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-to-get-free-faces-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/best-tricks-co-robux_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/mistplay-robux_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-hack-fast_GM406889139.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/robux-sign_GM431946152.pdfIn PDF document text
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/free-spins-coin-master-hack_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_off00002e2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E2A 22332 bytes
SHA-256: 234528686d0a7c2ace14378a968e43e1b413e0b98af780d3a91ca2fb7b607a18
font_01_sfnt_off00005f9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F9C 19308 bytes
SHA-256: 49dee22bdf0bff211b0b90ed56263db35df32d160d1177d0d86960e64ea9c592

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