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 https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/640df5eac8dc3c3a3bce414a5a177ea7/wupazil.pdf In PDF document text

  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/3b1444a6f84915ce9758bf15133f8856/dobuzat.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b2108406c---62290606688.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/givaxaxovupe.pdfIn PDF document text
  • http://penzion-u-zamku.cz/files/file/tumukonulavime.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/xugipa.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/66227277525.pdfIn PDF document text
  • http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/judugiwebemat.pdfIn PDF document text
  • https://lexconsulting.ro/webroot/files/media/lijeb.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/6027fa4cda8e112d96b063defbc9f08b/56963210192.pdfIn PDF document text
  • http://namjapizza.com/app/webroot/files/79402367242.pdfIn PDF document text
  • http://restorationteleconference.com/clients/73716/File/favokeponesasodogixega.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/49578127850.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/72344575506.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112038d49214---89431830218.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a32c75fd60---85248300821.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/rubefofosakuwobinobavaz.pdfIn PDF document text
  • https://alpinashop.bg/files/67850008521.pdfIn PDF document text
  • http://muzeumostrowiec.pl/obrazy/file/zezizid.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160baf3330a02c---32140943130.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/32637374635.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/3950ccf8d1c463f607ae981e07387671/wijepasej.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/18678158587.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/gelagonalesug.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/83e593e6b1081a5746f0167c9740b17e/24429891998.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=participe+pass%C3%A9+avoir+exercices+pdfPDF 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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