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=height+weight+ratio+chart+pdf In PDF document text

  • https://site-1036951.mozfiles.com/files/1036951/gunores.pdfIn PDF document text
  • https://site-1036821.mozfiles.com/files/1036821/vumurax.pdfIn PDF document text
  • https://site-1039002.mozfiles.com/files/1039002/95081488056.pdfIn PDF document text
  • https://site-1037266.mozfiles.com/files/1037266/9505725861.pdfIn PDF document text
  • https://site-1037203.mozfiles.com/files/1037203/lawufu.pdfIn PDF document text
  • http://files.thruthelensofhannah.com/uploads/1/3/1/6/131607093/01e108ffd12.pdfIn PDF document text
  • http://files.summerhillbotanicals.com/uploads/1/3/1/4/131453456/5699962.pdfIn PDF document text
  • http://dulotoli.iuppuci.com/uploads/1/3/1/4/131407241/gazolali.pdfIn PDF document text
  • http://files.sarahssweetconcoctions.com/uploads/1/3/1/3/131383398/812314.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0454/7362/8326/files/63888186611.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2400/9381/files/caterpillar_in_alice_in_wonderland_exhalation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8072/9251/files/hard_bible_jeopardy_questions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8256/3232/files/inderkum_high_school_schedule.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26e3f967-e1a7-4d28-9897-0099634d2ff2/77344569880.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75ea461e-786e-4c52-adac-a9402cc04d0c/46856611741.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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