Malicious PDF — malware analysis report

Static analysis result for SHA-256 d76b5720583cfb65…

MALICIOUS

PDF

52.6 KB Created: 2021-02-10 20:17:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-23
MD5: 0c06373be334dafa01d2ffb852b8d8a8 SHA-1: b9e1cdb951b31981375224d74fce52847a284631 SHA-256: d76b5720583cfb65b77c26a619620cb2bb603d93a59e46a62d7cc802612349c0
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded URLs, many pointing to disposable hosting or link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document designed to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8580

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 https://jottigo.ru/aws?utm_term=boss+movie+songs++telugu PDF link annotation
    • https://cdn.sqhk.co/sovokeduseb/6YyN0he/67475802474.pdfIn PDF document text
    • https://ridulimozujigo.weebly.com/uploads/1/3/4/1/134109280/22534.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454425/normal_6007ad35790f8.pdfIn PDF document text
    • https://linepapimufuto.weebly.com/uploads/1/3/1/6/131637640/47c6b.pdfIn PDF document text
    • https://cdn.sqhk.co/pulobegefuzi/hhdjhgj/bonazepogenafaruxip.pdfIn PDF document text
    • https://cdn.sqhk.co/pixazizaze/7ggjrXJ/kodiak_weather_radar.pdfIn PDF document text
    • https://soruxepamoni.weebly.com/uploads/1/3/5/9/135992355/jupuxule.pdfIn PDF document text
    • https://kogababofaf.weebly.com/uploads/1/3/0/9/130969162/2954788.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366032/normal_60088b7153019.pdfIn PDF document text
    • https://natapoja.weebly.com/uploads/1/3/0/8/130813782/zojigudajego-xakupew-bexosuzuwo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467019/normal_6003e18bb02cf.pdfIn PDF document text
    • https://cdn.sqhk.co/sejujona/hs1ihhb/hyperspin_frontend_images.pdfIn PDF document text
    • https://cdn.sqhk.co/gesafafo/jchjE5y/dreamette_ice_cream_middleburg_florida.pdfIn PDF document text
    • http://xilutetixu.epizy.com/reading_answer_sheet_ielts.pdfIn PDF document text
    • https://s3.amazonaws.com/rodigapigeta/html_template_tag_ie11.pdfIn PDF document text
    • https://s3.amazonaws.com/muvazi/19200308194.pdfIn PDF document text
    • http://takugiwem.rf.gd/biperi.pdfIn PDF document text
    • http://soburuwukipo.epizy.com/ajari_aku_cara_mencintaimu.pdfIn PDF document text
    • https://s3.amazonaws.com/lorugipopuxe/call_blocker_application.pdfIn PDF document text

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