Malicious PDF — malware analysis report

Heuristics 5

• 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://ggtraff.ru/strik?keyword=solidworks+2020+installation+guide In PDF document text

  • http://files.ceramicspaintingstudio.com/uploads/1/3/2/6/132695813/7113573ad03541.pdfIn PDF document text
  • http://files.emeliakphotography.com/uploads/1/3/0/9/130969841/3448217.pdfIn PDF document text
  • http://files.dwoutdoor.com/uploads/1/3/0/7/130775519/474827.pdfIn PDF document text
  • http://files.literaryfolliesgildedstrumpet.com/uploads/1/3/1/4/131438405/pemelu.pdfIn PDF document text
  • http://files.marcushoffman.com/uploads/1/3/0/9/130969371/b8c3a6a2a7.pdfIn PDF document text
  • http://files.bdhhs.org/uploads/1/3/0/7/130775205/tigiralovorawifada.pdfIn PDF document text
  • http://gifesemus.mohannadgharaibeh.com/uploads/1/3/0/7/130775565/f09d8615c3762.pdfIn PDF document text
  • http://purur.wiwik.org/uploads/1/3/0/7/130740558/jugobonuduziwaxufata.pdfIn PDF document text
  • http://zekilafa.sodcdances.com/uploads/1/3/0/7/130740249/f4ae2532c7.pdfIn PDF document text
  • http://files.mosaicchurch.org.uk/uploads/1/3/1/8/131871633/jusodujugovi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000481a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000481a.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00007c98.bin)
  • https://uploads.strikinglycdn.com/files/dfa0d57a-a3f4-4ed2-8fc9-973848abb1ab/48835872756.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/540c9a75-3067-449e-a2ea-56357fbc57ce/posojepunafekodeza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88592bf5-003a-4cfc-b545-50b300c80d17/25104523046.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c089967-3f68-448f-b398-7501d5b33af6/xifepusunanodetad.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_off0000481a.bin)

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