Malicious PDF — malware analysis report

Heuristics 4

• 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 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://gettraff.ru/strik?keyword=big+six+asbestos+sheet+weight In PDF document text

  • https://site-1037026.mozfiles.com/files/1037026/puzagobinolorepaveziwo.pdfIn PDF document text
  • https://site-1037028.mozfiles.com/files/1037028/2891021426.pdfIn PDF document text
  • https://site-1041491.mozfiles.com/files/1041491/56453720578.pdfIn PDF document text
  • https://site-1043885.mozfiles.com/files/1043885/pijisokiw.pdfIn PDF document text
  • https://site-1037091.mozfiles.com/files/1037091/lunobogibuti.pdfIn PDF document text
  • https://site-1036702.mozfiles.com/files/1036702/katozuwajirig.pdfIn PDF document text
  • https://site-1041777.mozfiles.com/files/1041777/37021431449.pdfIn PDF document text
  • https://site-1037839.mozfiles.com/files/1037839/19563008687.pdfIn PDF document text
  • http://files.mypropertyhero.com/uploads/1/3/1/4/131408942/9d44bad.pdfIn PDF document text
  • http://files.berkeleywellbeing.com/uploads/1/3/1/8/131872238/5674890a82ca08e.pdfIn PDF document text
  • http://files.mattypsrailwaypics.com/uploads/1/3/1/4/131409090/darenatobidiradedu.pdfIn PDF document text
  • http://files.henestrosastudio.com/uploads/1/3/1/4/131438538/pukupale.pdfIn PDF document text
  • https://site-1037237.mozfiles.com/files/1037237/nazovilimirugasige.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008a66.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008a66.bin)
  • https://uploads.strikinglycdn.com/files/0cc2e6d5-2e96-47bf-9ef5-88f3f6cd64f1/zinorek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1a4f901-a5d0-4113-b5ec-0ed739a54d70/koperoxupokose.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 extracted file (font_00_sfnt_off00008a66.bin)

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