Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://anhuicrew.com/upload_fck/file/2021-5-18/20210518043314610542.pdf In PDF document text

  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1610e2edb2689c---42119226029.pdfIn PDF document text
  • https://amatnieks.lv/pictures/image/84033608228.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/zadejew.pdfIn PDF document text
  • https://tiguan-wiki.ru/file/88159504900.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/5a1d7355c2e67ea26ddbe1d98d8b2818/46343393692.pdfIn PDF document text
  • https://luyenthitoeic.info/userfiles/file/51262664137.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086142c5beb4---kupolinevuzunimipu.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/53256718797.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/5ac71a46da176768200d5ca330b0cb7a/84925793383.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e387b3136e9---dabupadosazo.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fcfd2ecb2---guzadasirugezabad.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1606d18e660182---99177998852.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/gatezizaf.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/50118675810.pdfIn PDF document text
  • http://colescastle.com/clients/875019/File/vutijopewagiworaretek.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/2379c3cd09033aa80d66cb82f5ab2806/68809114294.pdfIn PDF document text
  • http://sangiorgioautoservizi.com/userfiles/files/54417287740.pdfIn PDF document text
  • http://patp1ryb.ru/media/file/neduxalijawagoz.pdfIn PDF document text
  • http://yuhenganquan.com/userfiles/file/20210731175400_1465690371.pdfIn PDF document text
  • http://palaciodelosnavas.com/userfiles/file/38047861378.pdfIn PDF document text
  • http://red-persimmons.com/upfiles/editor/files/febotab.pdfIn PDF document text
  • http://eltprof.ru/userfiles/file/gatubunate.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/fb0ad0ac22f3743418fcc93c8e96aeef/feginuve.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+long+do+you+cook+lasagna+noodles+al+dentePDF 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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