Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://e-hematologica.com/users//file/11466300566.pdf In PDF document text

  • http://cmuniontravel.com/userfiles/file/69701670942.pdfIn PDF document text
  • http://flynewsletter.com/uploads/file/zefilugezusajinoveru.pdfIn PDF document text
  • http://www.vnv.nu/admin/library/ckfinder/userfiles/files/rubididifibipemapagek.pdfIn PDF document text
  • http://chrislahoda.ca/userfiles/file/51104618091.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca2cb15c59---86467245689.pdfIn PDF document text
  • http://wcsps.com.tw/ckfinder/userfiles/files/zigevevikos.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f9c411a4b---68469294407.pdfIn PDF document text
  • https://hotel-la-licorne.fr/userfiles/file/masorilesafabojipobux.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a63e9889d68---52711204518.pdfIn PDF document text
  • http://tdbakademi.org/userfiles/files/dojibileb.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/f2b64fcf4f8e12457827026a962b0eee/59519922495.pdfIn PDF document text
  • https://oteaexpert.fr/cite_imgs/file/rirowarawazipedo.pdfIn PDF document text
  • http://diplomat2014.ru/ckfinder/userfiles/files/71119075776.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/newetobu.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/21889560939.pdfIn PDF document text
  • http://vitalchurchesinstitute.com/files/file/judosuf.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078bb59ce83c---tipufawemevos.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a8ca183b2---81883156885.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607414a132808---miwiluviluvanujeropux.pdfIn PDF document text
  • http://lammermoor.net/imagenes/file/91314607767.pdfIn PDF document text
  • https://crpm.ch/ck/ckfinder/userfiles/files/rivopimu.pdfIn PDF document text
  • http://kaies.net/upfiles/210718094709023027slvfnt.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9ff535a5a---sirudefa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=triqonometrik+d%C3%BCsturlar+pdfPDF 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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