Malicious PDF — malware analysis report

Static analysis result for SHA-256 50eacefb350682b8…

MALICIOUS

PDF

32.6 KB Created: 2021-07-20 04:22:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b802753a3c0e1592a6b3c336a14a9b1c SHA-1: a90497337f1403350b54a0811e498cf235e6e6f7 SHA-256: 50eacefb350682b82ca21c63c27419ec96a3998c93c7cdc1309d5b596cd3ff7d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and generators, directing users to a malicious redirector URL. The document body and embedded links suggest a phishing or scam attempt to trick users into visiting potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious intent, likely to lead the user to a malicious website for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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/minecraft-hacked-client-game-hack In PDF document text
    • https://www.belgium-archery.be/images/free-online-minecraft-server_GM479516143.pdfIn PDF document text
    • https://www.belgium-archery.be/images/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
    • https://www.belgium-archery.be/images/minecraft-mac-free_GM479516143.pdfIn PDF document text
    • https://www.belgium-archery.be/images/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.belgium-archery.be/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • https://www.belgium-archery.be/images/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • https://www.belgium-archery.be/images/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • https://www.belgium-archery.be/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://www.belgium-archery.be/images/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://www.belgium-archery.be/images/how-to-hack-roblox-games_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_off00002cd1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD1 22356 bytes
SHA-256: d529b443c0ed0f78bfeddb61d68356793141489e4646c44162b8f2e8eac46152
font_01_sfnt_off00005e4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4A 17988 bytes
SHA-256: 60084e38a3b13cc374d8b54708ec2a3852040562095209170bda5240b53bf335

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