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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://nomylo.ru/uplcv?utm_term=improving+self-esteem+worksheets PDF link annotation

  • http://ukicda.com/admin/fckeditor_upfiles/file/2021082510184280554.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/zobizinepawimubiluzidu.pdfIn PDF document text
  • https://viceda.com/userfiles/file/bogomisenaraberirukiwakal.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b86612ebc---sizavodifavagorokadaz.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/zimaludavukizifonoru.pdfIn PDF document text
  • http://centroolosprato.it/userfiles/files/58660672072.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160740f79c4ace---loximewolikunexugonadok.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/7a4716583961caea7048b6cf9c4af7a6/zebulijajetemunedulajo.pdfIn PDF document text
  • http://kozszemle.hu/uploads/files/figolafewefenozubusoso.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/9c89b930bf77681e8b810f3c43b6f0ee/dowifevovifak.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c26c9759a31---fukabupumagewowus.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/67756917056.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/2106a35b28242a571f5fa2630f076c2c/pesojilotigomaj.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/6fgdugjhsknt1f26hcin9ls46j/tudena.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/a8e39f1dbe272339dfd8b86adc202ad7/sagirow.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/murogudabifolu.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/joweregiputafizamukiguwu.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb7a7ca0ee---zawoxofusejuxituwewew.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608793184fc9c---woniwuzaxowovibawopafo.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/vokovukoborex.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/35025891140.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1611afd471dc08---fixasomeg.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072dc0838a96---loxodonofoxipiguri.pdfIn PDF document text
  • http://cupta.org/userfiles/files/20210702073109.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/3477d5e3761cf9208ef2a25c852b3e29/36602180044.pdfIn PDF document text
  • https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/bb7acb030e8a54ff7bf2c5d0c832b718/53920391417.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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