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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=como+baixar+pdf+passei+direto+pc In PDF document text

  • https://cdn-cms.f-static.net/uploads/4377371/normal_5f8bc2237c550.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f872a5233727.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388627/normal_5f90825dd3a58.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f87330c696ce.pdfIn PDF document text
  • https://dokodajibebabek.weebly.com/uploads/1/3/2/3/132302773/kelepevejufizug.pdfIn PDF document text
  • https://rulomegujenuguv.weebly.com/uploads/1/3/4/3/134329868/3488305.pdfIn PDF document text
  • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/7332149.pdfIn PDF document text
  • https://runebipunozup.weebly.com/uploads/1/3/1/4/131406604/9871009.pdfIn PDF document text
  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/163257f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369308/normal_5f8996b513f21.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f87af62a51f5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380871/normal_5f8bee8d835ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372972/normal_5f8d19f0e2e9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401982/normal_5f90d97775ab6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386081/normal_5f908e6f8e9db.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://uploads.strikinglycdn.com/files/08e796ed-7776-4d5c-8620-e159dcdcbccd/6027670872.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2170f29-fa35-417d-82a2-ebc54f239e69/42756078698.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c946106c-a61e-4fd2-ac6d-c7cdebf6c4a8/xulevezaleg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ad36798-88c1-4c85-bb9c-ebaac885af41/26776151777.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1181324-625a-41ca-ba98-bd59718d63dc/87212586290.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2009/8472/files/lol_dodge_game_penalty.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3897/3345/files/lomajosefejowuvirirolu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1682/2692/files/samsung_sm-t800_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6590/8123/files/apple_inc_annual_report.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn 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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