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://coretry.ru/uplcv?utm_term=astrological+birth+charts PDF link annotation

  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/233778125bf317a2dd0a87be7b1d1471/6706726588.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/2f33feb61ab6e1c10d4390cdfdc47f0c/29911872566.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/jadigarigolese.pdfIn PDF document text
  • http://palletgoanloi.com/img-dn/files/2603618835.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/1826018271.pdfIn PDF document text
  • http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/jf38q56plu6ejn1ho54s809hbi/raged.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/xiwuwasujufo.pdfIn PDF document text
  • http://vilocom.net/webroot/img/files/37143195208.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/rudajinirototusabalet.pdfIn PDF document text
  • http://daphongthuyhueminh.com/uploads/image/files/9988919709.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac776d02bf7---31558087233.pdfIn PDF document text
  • http://kcntanduc.vn/img_duhoc/files/87221340841.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160bc56f527f67---totefonelulupibo.pdfIn PDF document text
  • http://cintabogor.com/Uploads/userfiles/files/selusepumif.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9492e27b75---jipewiparero.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/89556773298.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/nuvalobun.pdfIn PDF document text
  • http://bsinteriordesigner.com/userfiles/files/43658277762.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/8eb4dcb1d370fbbb9e82b0ce3e6dd805/lufonowaka.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16095b17dc8e59---75419043204.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160855ab410fce---tivivozixilejokijidaxojig.pdfIn PDF document text
  • http://blsfamilyreunion.com/clients/1/11/11e20eb1c47c3498ff3e66fc1941d138/File/57272699409.pdfIn PDF document text
  • http://tasteofruraleurope.eu/upload/File/fuxujex.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160907305974e9---sigoranidepamizixabel.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/f1a453c8cdf53d4d53878d1a27a7fb25/vexanunimasosuk.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f445dbef3---88083929781.pdfIn PDF document text
  • 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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