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://ttraff.link/123?keyword=levo+lae+standing+manual+wheelchair In PDF document text

  • https://cdn-cms.f-static.net/uploads/4405181/normal_5f929db06de7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f891b5990e39.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403541/normal_5f927faf83cd1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368763/normal_5f88ad7a34f73.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367667/normal_5f896467b66b7.pdfIn PDF document text
  • https://wozuwonasanava.weebly.com/uploads/1/3/1/4/131483955/3414667.pdfIn PDF document text
  • https://tijujuvuxerupuz.weebly.com/uploads/1/3/4/2/134236121/takelaruxon.pdfIn PDF document text
  • https://sujajikozodes.weebly.com/uploads/1/3/1/3/131384638/fatupuzape.pdfIn PDF document text
  • https://sepubipig.weebly.com/uploads/1/3/4/4/134445985/vonup.pdfIn PDF document text
  • https://puwevifu.weebly.com/uploads/1/3/4/4/134465284/babisimu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383138/normal_5f8c28460493f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391315/normal_5f905116c0d81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382643/normal_5f90bad92eee1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f8890145ff8d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006e2b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006e2b.bin)
  • https://uploads.strikinglycdn.com/files/bdd95c1d-efe1-427c-a5d9-dd0b6efec0e6/81313226095.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7969/5517/files/81011148622.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1225/7952/files/ccleaner_apk_download_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5474baaf-d838-463a-ba2b-4121fc67a921/73960023064.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3469565f-efbb-4b04-b62d-69a1fb6c0aa5/90536324728.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7821eb56-def3-4f92-b0d7-68d4c5527272/real_estate_for_beginners_uk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e4e353a-788c-4575-924a-4ffabf5b889a/xitibi.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://dejavu.sourceforge.netIn extracted file (stream_006_off0000a44c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off0000a44c.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00006e2b.bin)

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