Malicious PDF — malware analysis report

Heuristics 6

• 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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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://ggtraff.ru/strik?keyword=candlestick+patterns+pdf+in+marathi In PDF document text

  • https://site-1042869.mozfiles.com/files/1042869/62958015585.pdfIn PDF document text
  • https://site-1043366.mozfiles.com/files/1043366/50872803086.pdfIn PDF document text
  • https://site-1039861.mozfiles.com/files/1039861/watovodederejoseretugonu.pdfIn PDF document text
  • http://tojup.finesurfcraftbyandrewwarhurst.com/uploads/1/3/1/6/131637814/kapagugedi_firire.pdfIn PDF document text
  • http://busaka.nancycreek.com/uploads/1/3/2/7/132712207/levukadufokonagejib.pdfIn PDF document text
  • http://lufugak.eastcoastceramics.com/uploads/1/3/1/0/131070450/3933604de0.pdfIn PDF document text
  • http://jowula.fishcakes.ninja/uploads/1/3/1/3/131380212/vodovidufalo-jesupiriborif-dolisubux-zojexa.pdfIn PDF document text
  • http://rofezidiz.insidearizonabasketball.com/uploads/1/3/0/7/130738731/mugored-dewawebijul.pdfIn PDF document text
  • http://nejob.connectedandautonomoustransport.com/uploads/1/3/1/3/131398516/835038.pdfIn PDF document text
  • http://nizugop.blueridgeracing.net/uploads/1/3/0/8/130814328/topavipofavitunax.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7641/9744/files/dorapasudakipap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/1197/6611/files/50330351329.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0475/9240/7196/files/how_to_make_a_vga_cable.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4007/7974/files/a_45_year_old_man_had_coronary_artery_stents_placed_2_days_ago.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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