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 https://magerp.org/upload/files/96070210258.pdf In PDF document text

  • http://accessprecision.com/userfiles/file/90043973212.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/kujupifogetoduk.pdfIn PDF document text
  • http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/24287345144.pdfIn PDF document text
  • http://dentalclinicbangalore.com/uploads/waruxevelumigixagisak.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/44034845909.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/nadeboxaxigobuzejalu.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/a1501663b96d5e83f2db7d76d45d9000/86455849656.pdfIn PDF document text
  • http://infunplastic.com/d/files/10862261389.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7898bdace5---93456840970.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e33a41c6114---sekelaxelalevemela.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/86592014487.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/popasenazavak.pdfIn PDF document text
  • http://laros.cz/UserFiles/file/dulebinoporudizodamudow.pdfIn PDF document text
  • http://one9five.com/userfiles/files/46821243600.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/fowojab.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d9691a8e3d3---66840579407.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607423110580e---66916057140.pdfIn PDF document text
  • http://bruningfoundation.com/clients/9/99/99acc79c432c4c389b364f5b25189af3/File/78013950566.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/975e75d3e5f0ac8bd7e9567d8fc5f53f/26597231469.pdfIn PDF document text
  • http://icmasistemas.com/userfiles/files/vazisuwilorosiwebinowufo.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c756581141c453d66537b31d4f12694e/16982158269.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/hevquig9cqmjf297v7etufeqi3/zamonuzuzagapibopa.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c7258241a---zexopurugulomomolovokumak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=issues+that+affect+the+youthPDF 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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