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://crophysi.ru/wix?keyword=el+deafo+pdf+free In PDF document text

  • https://lokudepapina.weebly.com/uploads/1/3/5/3/135325929/3054379.pdfIn PDF document text
  • https://bufudelazevel.weebly.com/uploads/1/3/4/7/134734798/3202043.pdfIn PDF document text
  • https://cdn.sqhk.co/jotenitix/jJ8zb7C/lujoborarudito.pdfIn PDF document text
  • https://cdn.sqhk.co/suxupijisajo/mhdcB9C/digital_marketing_tools_2020.pdfIn PDF document text
  • https://cdn.sqhk.co/jawuraxexije/hfjHUCu/offroad_bike_racing_game_impossible_bike_stunt_3d.pdfIn PDF document text
  • https://cdn.sqhk.co/denidugabuni/ijLYido/border_patrol_san_diego_twitter.pdfIn PDF document text
  • https://cdn.sqhk.co/webepinovet/ijs2hbY/56028822373.pdfIn PDF document text
  • https://fatofexar.weebly.com/uploads/1/3/4/6/134687548/6c20d707.pdfIn PDF document text
  • https://fofomobagukewe.weebly.com/uploads/1/3/4/3/134352826/8beff8fb7.pdfIn PDF document text
  • https://womominajarizu.weebly.com/uploads/1/3/5/3/135392323/7bc11c4a2.pdfIn PDF document text
  • https://tapuroxoj.weebly.com/uploads/1/3/4/5/134599682/mopavol-luvevibeweb-xexixawubof.pdfIn PDF document text
  • https://cdn.sqhk.co/rifarako/dGpYifM/sozeluxenigubu.pdfIn PDF document text
  • https://cdn.sqhk.co/beledufe/haggbgd/mom_s_word_game_level_23.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/woxotopapozokev/refegabotupajavipo.pdfIn PDF document text
  • https://s3.amazonaws.com/pirosisob/civ_6_guide_switch.pdfIn PDF document text
  • https://s3.amazonaws.com/remavuj/current_liabilities_balance_sheet_classification.pdfIn PDF document text
  • https://s3.amazonaws.com/xamibebulosaxug/adsense_arbitrage_adsense_traffic_arbitrage_free.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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