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://gettraff.ru/123?keyword=rea%25C3%25A7%25C3%25A3o+de+saponifica%25C3%25A7%25C3%25A3o+pdf In PDF document text

  • https://site-1037215.mozfiles.com/files/1037215/fuzexakefapofopoj.pdfIn PDF document text
  • https://site-1041609.mozfiles.com/files/1041609/movawapuvavufexekaxus.pdfIn PDF document text
  • https://site-1039783.mozfiles.com/files/1039783/vezebep.pdfIn PDF document text
  • https://site-1039566.mozfiles.com/files/1039566/xetuginujiwesimorukilatu.pdfIn PDF document text
  • https://site-1040767.mozfiles.com/files/1040767/19778228380.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f873451a3242.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366344/normal_5f87c45dbeeb5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f883e6ae9507.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368777/normal_5f87e83d6a023.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369928/normal_5f883ce295f9f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365621/normal_5f87332532740.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365646/normal_5f8716e88c558.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/e680dc50-ffb5-4ea0-8b3c-2e4838ac6ddd/79227406202.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/276459fe-578b-4a9f-ae88-cfd94df4ac3b/56871521866.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de2dfbb2-53ca-4790-923f-1ca656476f26/5354211779.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2873/2830/files/kajamorak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0457/6618/1028/files/24063143266.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1134/1976/files/34319796767.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8587/9704/files/31730018734.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/9496/6436/files/68772867282.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8277/5212/files/legacy_of_the_dragonborn_compatibility_patches.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7482/8953/files/gorillaz_phase_4_noodle_x_2d.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4695/5927/files/last_stand_union_city_hacked_premium.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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