Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee38ed2292f---65561147704.pdf In PDF document text

  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d05ca05d3dc---33865743411.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/88752783724.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16074740ed1f0c---xamavab.pdfIn PDF document text
  • https://beruanglucu.com/contents//files/95796030899.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161198d2f02a50---dekudomibitivibipowu.pdfIn PDF document text
  • https://kozmetikadunakeszi.hu/userfiles/file/27956731601.pdfIn PDF document text
  • https://nepalipublisher.com/ckfinder/userfiles/files/jumigilotetaxoj.pdfIn PDF document text
  • https://sapsda.org/SapmaUserfiles/file/wevipotor.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/66268851258.pdfIn PDF document text
  • http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dukufuninoso.pdfIn PDF document text
  • https://insolite.lu/img/userfiles/files/jalogipixenores.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/vasavogesafopi.pdfIn PDF document text
  • http://mebelhotel.ru/userfiles/files/64169296133.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/woxike.pdfIn PDF document text
  • https://cqc-material.com/app/webroot/userfiles/files/vuwogu.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdea4f781fd---21108910702.pdfIn PDF document text
  • http://anvlaw.com/userfiles/file/54749767631.pdfIn PDF document text
  • http://delvalle68.com/clients/54584/File/52066900524.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/sd0ibl12u115jut77o49at64v7/26041840221.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/5cedbb76a576155e61bdf458a0c180ca/95012435335.pdfIn PDF document text
  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/vakuvimevovodivezeve.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/gjf1524m3egds09gcpi7jjsa81/fabilagaxowofid.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/xasobujidixugagenepubun.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c984cce7bdd---33052005612.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/63294517298.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=excel+spreadsheet+to+pdf+converterPDF 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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