Malicious PDF — malware analysis report

Static analysis result for SHA-256 d314eb1950bf1c53…

MALICIOUS

PDF

34.3 KB Created: 2021-06-26 06:59:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 46efb6b8e07070903d6a41da925088a5 SHA-1: 662b99cc421f419961252687ee804449d5b49d36 SHA-256: d314eb1950bf1c5382eff8eae879aa6056a71daaea5aef3ba572111ab3aa02a2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on offers for free game currency or hacks. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a malicious redirection workflow, likely intended to lead users to a phishing site or a download of further malware.

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-websites-legit-game-hack In PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/coin-master-free-400-spin-link_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/woman-roblox_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/minecraft-noob-vs-pro-vs-hacker_GM479516143.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-spin-coin-master-ios_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/coin-master-500-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/microsoft-rewards-robux_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/coin-master-gift-link-hack_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/minecraft-free-download-mobile_GM479516143.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-t-shirt-roblox_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/old-roblox-accounts-for-free_GM431946152.pdfIn PDF document text
    • https://elearning-mtsn3jkt.com/__statics/gudangsoal/files/roblox-hack-gui-pastebin_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_off00002ef6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EF6 22256 bytes
SHA-256: 8725cb32e659ace92bf0eaa94067691ea36ab3cdd901c20c9f8c8a09bee41349
font_01_sfnt_off000060b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60B8 19136 bytes
SHA-256: 4004080a650f28ac7b41cae086857a9746dc056693171548c1cb36caae4130a8

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