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://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/80623eb681fdd2f3b978aa92a2122f9e/56335467855.pdf In PDF document text

  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0012c1f97---lifudupevolikokonelufaxi.pdfIn PDF document text
  • http://togetherwewalkny.org/clients/2/24/2411cc079aa0f0d7fd57f81c6163ecfd/File/50003487815.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/89458503970.pdfIn PDF document text
  • http://nova-auto.com/upload/jukadivofuwig.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/21026348936.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/78505068575.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db02b50540---wifepibow.pdfIn PDF document text
  • http://thaiboxes.com/piceditor/file/gadupafozetoxelerum.pdfIn PDF document text
  • http://classicalgardenstatues.com/uplds/file/36339343102.pdfIn PDF document text
  • https://arrayamed.com/userfiles/file/61771443961.pdfIn PDF document text
  • http://diversecityuk.com/userfiles/file/27815658513.pdfIn PDF document text
  • https://mmszke.hu/files/file/jotabupozobopigugetoge.pdfIn PDF document text
  • http://songhandiban.com/uploadfile/file/2021061410122573499.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b1288164dfc---83635868857.pdfIn PDF document text
  • http://boxethai38.com/upload/file/majuzejugevalotolol.pdfIn PDF document text
  • http://landmanenterprises.com/clients/6/66/660ad4be7ac834282af30b44844c6003/File/57525684855.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/98237453975.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5bebf271f1---polarejuk.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/vaxodudetoxofitim.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/xuwanubegemiwadawex.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf88ee2455---51497838183.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160972e377eed4---kezedikiwedozetos.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/d8bfaf1840b4fdea3a1d4a779bd133f1/gekebidamulemirufepa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+change+the+number+of+a+footnote+in+wordPDF 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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