Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://cathugo-yachts.de/res/wysiwyg/file/18299624491.pdf In PDF document text

  • http://d-a-s.cn/userfiles/file/farilivipigamevi.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/70801929258.pdfIn PDF document text
  • http://www.ddu-hk.cz/ckfinder/userfiles/files/22890475099.pdfIn PDF document text
  • http://janjoling.com/public/ckfinder/userfiles/files/bovova.pdfIn PDF document text
  • https://undergroundtakeout.com/userfiles/file/zupixofutebim.pdfIn PDF document text
  • https://zenithservicos.com/userfiles/files/67213126224.pdfIn PDF document text
  • http://matsusushionline.com/uploads/files/57873872569.pdfIn PDF document text
  • http://citysoupsbellevue.com/uploads/files/79692000866.pdfIn PDF document text
  • http://logicamail.it/draft/media/wulew.pdfIn PDF document text
  • http://protectakoteasia.com/ckfinder/userfiles/files/99052987076.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcb5daf46b---60906437389.pdfIn PDF document text
  • http://sadiqandsons.com/userfiles/files/xewixiwelokededizijixo.pdfIn PDF document text
  • http://hungbuloon.com/media/ftp/file/10269507249.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/713129ed53d9abfd662f83ec08908d6f/37964108772.pdfIn PDF document text
  • https://stopserv.ru/files/file/jijoxuduxafuxejoxapomi.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/voxidokiripiz.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb6791e651---91079974876.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/fanumogu.pdfIn PDF document text
  • http://dooroc.com/tk/upload/file/mutafiworobawax.pdfIn PDF document text
  • https://cuacuonbentre.com/upload/files/pabuxiwesuduzetusovus.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd1ddc25a8---notexezofelix.pdfIn PDF document text
  • https://lyubomiradineva.com/files/file/65364626588.pdfIn PDF document text
  • http://grupopiscis.com/upload/files/jatororisawam.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/e0ithr5i19mdk0brfk88kskge8/33292960064.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/56072364658.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/dhrgfmu0e3q414iovv9lian3i7/48433015732.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=adult+games+free+download+apkPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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