Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6839bbc45f11534…

MALICIOUS

PDF

34.3 KB Created: 2021-07-19 18:45:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4cc63b2a75cd3308aaab8d9933e73035 SHA-1: f94b57eb56db2fac38152acc561b683395a33860 SHA-256: e6839bbc45f11534ab4a5b9310724df351b34f4996d3d334d4f03064d048ea1c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to known malicious infrastructure, specifically promoting 'free generators' or 'game hacks' for popular games. The document body and embedded links suggest a phishing or scam attempt to trick users into visiting these malicious sites. No scripts were extracted, but the primary attack vector is the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9966

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.tw/app/479516143/free-minecraft-website-game-hack In PDF document text
    • http://ordineingsa.it/images/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://ordineingsa.it/images/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • http://ordineingsa.it/images/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://ordineingsa.it/images/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://ordineingsa.it/images/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://ordineingsa.it/images/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://ordineingsa.it/images/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
    • http://ordineingsa.it/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://ordineingsa.it/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://ordineingsa.it/images/free-tiktok-fans-no-verification_GM835599320.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_off0000306e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x306E 23356 bytes
SHA-256: 0c58cf6114014d6a7e53263f9a78cedddf842a21de5441721ea6092b4e59124e
font_01_sfnt_off00006521.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6521 17924 bytes
SHA-256: ff8b7dbb958b2e21889f0de65becea477e8c4948e76fdf7eea045243f3f10d1a

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