Malicious PDF — malware analysis report

Static analysis result for SHA-256 33019fd6065fb9ab…

MALICIOUS

PDF

2.5 KB Created: 2021-07-04 08:07:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 39f10e0323944952f67871a9aa3d150c SHA-1: 3d12fdcf73c899647a4abe7ba5b70c18e8f5d0ff SHA-256: 33019fd6065fb9ab3980819c5deb9d0e4ca9b88320e76d806682adb3a551149c
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free game hacks and Robux, directing users to a suspicious URL. The ML classifier strongly indicated maliciousness, and the embedded URLs suggest a phishing or scam attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9906

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector high 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/431946152/free-robux-for-kids-no-verification-game-hack PDF link annotation
    • http://perpus.stikes-bhm.ac.id/perpusbhm//repository/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.stikes-bhm.ac.id/perpusbhm/repository/tiktok-free-folowers-75_GM835599320.pdfIn PDF document text
    • http://perpus.stikes-bhm.ac.id/perpusbhm/repository/minecraft-java-free-account_GM479516143.pdfIn PDF document text
    • http://perpus.stikes-bhm.ac.id/perpusbhm/repository/roblox-hackers-list_GM431946152.pdfIn PDF document text
    • http://perpus.stikes-bhm.ac.id/perpusbhm//repository/coin-spin_GM406889139.pdfIn PDF document text
    • http://perpus.stikes-bhm.ac.id/perpusbhm/repository/how-to-get-minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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