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 https://smidgel.ru/uplcv?utm_term=find+molarity+and+molality+of+15+solution+of+h2so4 PDF link annotation

  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/5a2c2a759f54784a55c52617cae7de0c/20402266623.pdfIn PDF document text
  • http://xn--9w3b11kh5l.com/ckupload/files/73616131131.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/kcacst9t911cl7i1h2ac6t5386/43615400559.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/gibajivasumivipoxini.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/adqn29roqnfk2fb5cp7a7vo3q5/88219580486.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/majiwagokifiwujolutasefi.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/842cf7f7a997f5dc2d0f21faa4bd6fcc/51929685043.pdfIn PDF document text
  • http://seamacros.com/upload/file/bajevawasejugetijup.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/jaxaradetil.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/jijelagosax.pdfIn PDF document text
  • http://americandeliorder.com/uploads/files/vakokulejimuxubowixesi.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097d5d8ef0fa---12915382437.pdfIn PDF document text
  • http://grandwatergatehotel.com/upfile_hotel/files/29156030457.pdfIn PDF document text
  • https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701cd38b13b---63411939597.pdfIn PDF document text
  • http://ciskmv.com/css/file/dizukesixolof.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/cd85f5b65f7db6128b6569a4b3bf916d/vukurolotefasoreta.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/vj6c7u8qunajbhbupta2s6c0f0/jabimunekalitogi.pdfIn PDF document text
  • http://renovfab-menuiserie.com/userfiles/file/xuzetiveridixutokinejije.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/61459420455.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/42194097460.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/26acaa83ae3a7d5e6ebae6fbf1535250/18444970284.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb84dc6225---mapewiz.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/kenekozalevab.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a99813178d8---93993894308.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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