Malicious PDF — malware analysis report

Heuristics 7

• 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 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://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16119bba868c2f---vililaxifevor.pdf In PDF document text

  • http://onyx-innovations.com/assets/ckfinder/userfiles/files/bidutuneme.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2527f27641---36680580972.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094a38f587f2---bokerorimeboxafibadalatu.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/0ok6l810q9odg2au1p98jrm8g5/99743082625.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/5c00a1e4d5ffcbbeeaf4d0ed3a28a2b3/1110676288.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/0pbkf2n6aatrjo27np0ubiimp6/72199172281.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/welovifor.pdfIn PDF document text
  • https://wsbtitan.com/images/file/71192733336.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/3ce7e4011056c2af7cabd3729bfc8b4f/besuzokepix.pdfIn PDF document text
  • http://serdceprirody.ru/userfiles/file/54901314657.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/65799342120.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/943a86fd8a6c2730c427c2e0b07b9f41/zavupesax.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/v86q5ku85efsfiqqq8dahn246s/rapawekavub.pdfIn PDF document text
  • http://dchs1961.com/clients/871949/File/48246366235.pdfIn PDF document text
  • http://strahyi.ru/images/file/xitabatoduxejipenamabuj.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/449631f0289250fdb5ffc2d98d06496b/dosixapogufekezevufilun.pdfIn PDF document text
  • http://kimandyoo.com/userfiles/file/bewolobutanifizusamuxita.pdfIn PDF document text
  • https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/9855ad1907123b1fc87e697abf251f74/lonepopunisebitiwagur.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202105/file/sasogorenipojumazunuvo.pdfIn PDF document text
  • http://beiwendq.com//data/attachment/file/selizirefanagidebasiwilup.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/62538919440.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a3431e2231---lusow.pdfIn PDF document text
  • http://ri-rm.ru/userfiles/file/59844631874.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/48175330286.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=sample+answer+of+writing+task+1PDF 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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