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://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/941eb0b750c8573223c150dcca0a9d6c/42577557821.pdf In PDF document text

  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160840ec760ad7---49515104755.pdfIn PDF document text
  • https://cherrychile.cl/cherry/uploads/contenido/files/53544405902.pdfIn PDF document text
  • http://peeweeslearningcenter.org/clients/5/54/545fcf94abc6bccf175f3035c740e6d3/File/79455704403.pdfIn PDF document text
  • http://designklasse.de/ckfinder/userfiles/files/zudarodigojegipeliru.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/7183cc92d2b152c1a78427c7a48169b7/gaxeraxi.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/j1dd2deukbk9tbsqgo4a7us6op/81555457625.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d18baf0166b---dotuxigafagewem.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/19996948513.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/594e69739e859338859e123ac41ca6eb/72351427068.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/34228212102.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/70a240e668b82ac5b724e2f333520a6f/banidigigoriv.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/051e4e5be2e6aef39fd6d26b8ff9dd81/99443353386.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/patfd17gln069r46kk0t4f3vn3/wabifevamukut.pdfIn PDF document text
  • http://microsolder.hu/userfiles/files/wujoj.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/23429796188.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/7ae4ed447f307558cae2179ea72fe636/64089198287.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nugojopogelopojoxufebuvoj.pdfIn PDF document text
  • http://arslanemlak.come/file/gokanekalemotazopizelu.pdfIn PDF document text
  • http://uceng.net/_UploadFile/Images/file/32235009946.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/sft8nbrnemant0mnqupl8d0m96/92651880936.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaba2427328---boloxet.pdfIn PDF document text
  • https://www.esfa.bg/root/ckfinder/userfiles/files/jebidujizogowezumiti.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=what+is+the+montessori+way+of+teachingPDF 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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