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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://traffmen.ru/aws?utm_term=cirrose+hep%25C3%25A1tica+diagn%25C3%25B3stico+pdf In PDF document text

  • https://supenavasude.weebly.com/uploads/1/3/5/3/135397397/5860805.pdfIn PDF document text
  • https://ruxikikigiligex.weebly.com/uploads/1/3/4/3/134347308/memutuveroze.pdfIn PDF document text
  • https://gawenowufiwozup.weebly.com/uploads/1/3/1/3/131383543/wigukujujonetowu.pdfIn PDF document text
  • https://sivubatololux.weebly.com/uploads/1/3/4/8/134850937/7731958.pdfIn PDF document text
  • https://cdn.sqhk.co/feluxolid/ggjjR4Z/fast_food_arkadelphia_ar_restaurants.pdfIn PDF document text
  • https://site-1177860.mozfiles.com/files/1177860/arknights_cn_tier_list_march_2020.pdfIn PDF document text
  • https://telenegogak.weebly.com/uploads/1/3/4/5/134522167/835459850baf.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4448121/normal_5fca9559215bc.pdfIn PDF document text
  • https://vonebofakakare.weebly.com/uploads/1/3/1/8/131856314/gadixavipamofoxebome.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/popisiburewixuj/buzajoza.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://scripts.sil.org/OFLIn PDF document text

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