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://cctraff.ru/aws?keyword=guia+ceneval+derecho+2019+pdf+gratis In PDF document text

  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/f791e4f.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/palaj_xofepevez.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/b4c3416953b5924.pdfIn PDF document text
  • https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/sujasemoserurotedu.pdfIn PDF document text
  • https://vadulovoke.weebly.com/uploads/1/3/4/3/134338980/vejasered.pdfIn PDF document text
  • https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/25fa9e3f4.pdfIn PDF document text
  • https://romovemesokawaj.weebly.com/uploads/1/3/4/4/134479736/9685493.pdfIn PDF document text
  • https://xikosenazegan.weebly.com/uploads/1/3/0/7/130739601/fizutigeb.pdfIn PDF document text
  • https://raxabebawozovi.weebly.com/uploads/1/3/4/3/134311701/1994666.pdfIn PDF document text
  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/zujulusejima-lixododibogar-wotoral-vegatusuwafa.pdfIn PDF document text
  • https://sabidodavo.weebly.com/uploads/1/3/1/4/131408103/5176887.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382629/normal_5f8e11518575b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369182/normal_5f88879b62d89.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375357/normal_5f92001103011.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383565/normal_5f8f326d9a70c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369503/normal_5f8f4f65b3f3a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000073b3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000073b3.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000aeb3.bin)
  • https://uploads.strikinglycdn.com/files/a3c79347-d358-4b5d-91b5-7d3f2781bd11/15657631468.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5230/8906/files/icse_class_10_computer_book_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8671/8129/files/30518041655.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6443/5612/files/google_classroom_stream_notifications.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1688/6678/files/download_game_cooking_fever_mod_apk.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 extracted file (font_00_sfnt_off000073b3.bin)

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