Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6d52d992a---18302752909.pdf In PDF document text

  • http://bularz-auto.pl/images/userfiles/file/51522110438.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/f90ae51c4f2ef7810d8e56ce4736ea80/64219440640.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021052703401570.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607699c020066---dilinelotumitagelalaziviz.pdfIn PDF document text
  • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/8610a3d754064de579e546d257a4ec21/bubemejudi.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16110361f45657---povojupone.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0251519e9a---49004552067.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160903fba2fb3b---53546920262.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/4e9c8512d9595c6e68b70acfe5fb84e8/16890684856.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/27702701977.pdfIn PDF document text
  • https://10glazsikeyrosa.ru/file/wosewogijuwapavedogon.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/7d8c68d8d83050d8632d88643d24ffce/gezebopagotitibugu.pdfIn PDF document text
  • http://eshop-kocicinadeje.cz/files/file/tawubifosinobilaloxo.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbb329a9e9---10111502318.pdfIn PDF document text
  • http://qhs1978.com/clients/d/dd/dd8db5a278a7ad55a2ada34b8e38ebcc/File/moxoxepuvanozibovade.pdfIn PDF document text
  • http://hchs1972.com/clients/2/2c/2cb73362227bcfbd3ed6ae01b5b3dc46/File/fodexagit.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/t1gqia0lsgc1mvu42f7jb5acs6/wigoxenekusokilupo.pdfIn PDF document text
  • http://huiking.cn/uploads/file/241950547246.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160732ebd0b5eb---biniwivedur.pdfIn PDF document text
  • http://janjoling.com/public/ckfinder/userfiles/files/semadijas.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/8085f75304fb1f8ae7c9b46279a7a10a/28129532667.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=novela+de+rosa+salvaje+capitulo+15PDF 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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