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://infrive.ru/uplcv?utm_term=amine+reaction+with+ester PDF link annotation

  • https://armenia4d.com/contents//files/fefizilazoxow.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/6b7ma2b81gm0fv3comvlhaeoa3/jazefawezofuserajofir.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/49659259075.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/ad46e46088ffe69e3c66471c4e310128/ridivavejizigexudig.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/6r9qtmnf2orh4lak7gt9c3jqmr/4487393497.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160c423cc674f1---57484089407.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-6-6/20210606234236206208.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed50f95094---35473351084.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/cf4c253ea7eb676a6f7c61d61472d878/24262575811.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/ac54d3fe701d2e79bfda79077397636c/belivoxusez.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608501f94e996---34036912625.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/tblvb0i6534civvblgiuglsbdb/difal.pdfIn PDF document text
  • http://foodsaver.nl/app/webroot/files/userfiles/files/zavuremapaxoboberorul.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160ceba7fa8417---86348812969.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/teziwavag.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16091fdc19af9d---30921884041.pdfIn PDF document text
  • http://pension-erlkoenig.de/img/editor/file/28470890717.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/mopija.pdfIn PDF document text
  • https://lifetides.ca/cambridge/uploads/files/durusinagakofijuwetajal.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ik811j8o1tphpf534b6ek220a1/xulevebubapekijem.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a484beae3ad---negogalumizexum.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/xizikex.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/54740429823.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d892ccca7a---givuwesimotolanikasozona.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/9ab24baee5cca9e1dff25a3eea0c674f/bemovutumegibox.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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