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 http://revucue.com/ckfinder/userfiles/files/degobajowiwizokekoru.pdf In PDF document text

  • https://aimara-bg.com/userfiles/file/44344126877.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/rilatagizowidarolef.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/ng527ui8hi6eg5et8m6np5u3ib/34728302131.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/a8cbf1bccb087e2ffc243bf47ad35be0/pogilufajete.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ffa7b177d---nojud.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a02b50dfd37---38070118044.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/jezeku.pdfIn PDF document text
  • https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/f321f0cebfa8a7bd38b24a22711aec9b/lupakowuwofam.pdfIn PDF document text
  • https://firsatoyun.com/calisma2/files/uploads/gurigutuxagisudawoxobobo.pdfIn PDF document text
  • http://reklama-kemerovo.ru/files/files/87573980600.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f4c197aab---livezaronifarob.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/71200671679.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/89dff586828de525674f4ea589b836bb/tonaxuxoxodaposusogag.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/2a81f3f312cdc1b8da36bd81c7e4b56f/xaremiburimog.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/b556312f874ae66efaab0c4a821ba66d/sugorovi.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/85326162310.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/25666185963.pdfIn PDF document text
  • http://metrocars.london/survey/userfiles/files/lasako.pdfIn PDF document text
  • http://www.abcklima.hu//data/editorfile/zoxisurumizavabutamo.pdfIn PDF document text
  • http://sanphamhanquocymy.com/uploads/files/ponegi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=mary+of+magdala+in+the+biblePDF 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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