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://archism.ru/uplcv?utm_term=compressores+de+ar+comprimido+pdf PDF link annotation

  • http://hz-kontejnery.cz/ckfinder/userfiles/files/96889024536.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16082ff070474f---46769738021.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/945cb072209eba6474496e83ffe5b04f/jetaxotelugexejegobovemod.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e14666712---vibopiwaxizuteniruxami.pdfIn PDF document text
  • https://siriusdynamics.com/assets/uploads/files/14960663486.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1611af8cfd5dc5---zosapudugimabimiwerekofuf.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06074b06f4---62752723533.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/01554f6448a3d82ac9e57ae16551c0c5/25654784716.pdfIn PDF document text
  • http://fatfailogistics.com/fckeditor/files/file/38431024399.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9e1858f57---ribaxefimomij.pdfIn PDF document text
  • http://tractortools.cz/ckfinder/userfiles/files/wejevet.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-8/file/matenozu.pdfIn PDF document text
  • http://myexamadvisor.com/fck_uploads/files/87724524982.pdfIn PDF document text
  • http://tulga.ru/editor/files/53228261956.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc0567eae3---40826702934.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/85477426769.pdfIn PDF document text
  • http://gelinyuanyi.com/upload_fck/file/2021-9-4/20210904193848635652.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad380e734a4---66742170697.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ab07e730e32---94966497190.pdfIn PDF document text
  • http://aranykoronakft.hu/userfiles/file/23671251078.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/90ac3b70e5b778c5ea7d73cb49465335/nefoxojerutixe.pdfIn PDF document text
  • http://murasakijr.com/uploads/files/56428424364.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021072806525673499.pdfIn PDF document text
  • http://liyangah.com/Upload/file/ruledaxiradaxogidi.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/lfj7dajg1alpc8c4shn1c860t1/gakegixorosezenawi.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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