Malicious PDF — malware analysis report

Static analysis result for SHA-256 e82c2e8a465752f7…

MALICIOUS

PDF

33.8 KB Created: 2021-06-29 12:45:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 02edb4d67228d6056154e5442bdb157f SHA-1: acdfe8bec46b6eba8418c4823db61fd767f8643c SHA-256: e82c2e8a465752f7689efdc6a4517611020490efca8874f7351a4d975b4b9887
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and sites offering game hacks and cheats, indicating a lure for users to download further malicious content. The document body explicitly mentions 'free generator / game hack' and includes URLs that align with this theme. While no scripts were directly extracted, the PDF structure and embedded links suggest a phishing or social engineering attack vector.

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/deathrun-is-free-in-roblox-player-game-hack In PDF document text
    • http://thamelinn.com/userfiles/files/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/coinmaster-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/mcpe-master-coin-hack-apk_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/free-robux-100-no-human-verification_GM431946152.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/minecraft-ps4-code-free_GM479516143.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/minecraft-maps-pe-free-download_GM479516143.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/impact-hacked-client-roblox_GM431946152.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/haxteam-cf-free-robux_GM431946152.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/coin-master-2021_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/how-to-get-minecraft-windows-10-for-free-with-java_GM479516143.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/apk-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/cheating-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • http://thamelinn.com/userfiles/files/como-hackear-juego-coin-master_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_off00002d34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D34 21872 bytes
SHA-256: f79eec1795aeb0b4c3e66949caa8db789c4eb9b917c10250a0ef83404080853b
font_01_sfnt_off00005d8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D8C 19564 bytes
SHA-256: 8d7ec04addf730f28dc569255a6a3b202bc248a6837daa9f0ab4c477c028cb15

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