Malicious PDF — malware analysis report

Heuristics 6

• 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 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://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/35a9373b72d2f5919fe663c49ddb0537/57319245138.pdf In PDF document text

  • https://homestayhoian.thamtuddt.com/uploads/image/files/xukorupusawimazesepu.pdfIn PDF document text
  • http://taxfreepoint.com/file/romanidabir.pdfIn PDF document text
  • http://geodez.com/pliki/file/36119200071.pdfIn PDF document text
  • https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/43908133222.pdfIn PDF document text
  • http://zh-huaxun.com/uploadfiles/files/25208324510.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/bogibivumox.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/9dc8d21f7a207ea405f0d1569a066142/51650656080.pdfIn PDF document text
  • https://casadko.fr/userfiles/file/lozolufuzigejok.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141140bb2bdf---soxeparosi.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/46757651448.pdfIn PDF document text
  • https://globalcareerclub.com/FCKeditor/userfiles/file/pelarukofozemulavanatek.pdfIn PDF document text
  • http://mmsmarin.com/imgimage/file/80277710928.pdfIn PDF document text
  • https://stillwaiting.org/userfiles/file/55176458204.pdfIn PDF document text
  • http://mothertheresapublicschool.com/userfiles/file/92279472470.pdfIn PDF document text
  • https://tnmkor.com/FileData/ckfinder/files/20210908_D291A7D3019F9322.pdfIn PDF document text
  • https://vico-immobilien.com/ckfinder/userfiles/files/96224118545.pdfIn PDF document text
  • http://hoaiduc.edu.vn/ckfinder/userfiles/files/wimafaxixuvolekezuma.pdfIn PDF document text
  • https://ist-lb1.istanajp.com/contents/files/jarof.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410fb2a5ddf---55230166885.pdfIn PDF document text
  • http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/43659510207.pdfIn PDF document text
  • http://www.synagoge-stommeln.de/ckfinder/userfiles/files/55222040289.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411d7470869---ladizuxe.pdfIn PDF document text
  • http://sghscsjamarai.org/guruhargobind/userfiles/file/28416906003.pdfIn PDF document text
  • http://kpdb.org/userfiles/files/xotirixuro.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=install+windows+10+on+smartphonePDF 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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