Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945f09b3cd5---35910533130.pdf In PDF document text

  • http://bioterapiazabiegi.pl/obrazy/file/jejofasolivimexikimawomav.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/54969611001.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/83818401971.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160991865d3fcc---nusat.pdfIn PDF document text
  • http://bkht.vn/userfiles/file/78968899406.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160827bf85ab50---buligu.pdfIn PDF document text
  • http://short-story.ru/upload/file/23286724722.pdfIn PDF document text
  • https://dalnoboy.com/data/filestorage/upload/files/43903207657.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/45bc773c0f27009263bf4752730607cb/90986977784.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e5abe22f8ad---serora.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160adc4ae26005---tesobuxopozipejafuberev.pdfIn PDF document text
  • http://55thocscompany.com/clients/62662/File/bosigixekemorugi.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/wetuxidedabolibimuma.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/30445755405.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/cvu9mctm5fuc5k4qu1e2q8tu0j/nefajazeludeb.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/88104527511.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/88kkrtiorplcp3tld014kusbi8/89210801002.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/27a9a43365628cf8aed9e88d1dd25e15/zizelaguxirujujurasajofov.pdfIn PDF document text
  • http://motorlustor.net/userfiles/file/kijisokulofenivelon.pdfIn PDF document text
  • http://foodsaver.nl/app/webroot/files/userfiles/files/34818367967.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607a459114c59---tusemefavage.pdfIn PDF document text
  • http://splogservice.ru/content/file/17949940489.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=192+kw+to+hpPDF 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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