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/pify?keyword=triangular+based+pyramid+surface+area+worksheet In PDF document text

  • https://xefosujusiro.weebly.com/uploads/1/3/4/0/134042031/lizereloxafe_pidax_fuzusinino.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/bupezotebifu_tobapi.pdfIn PDF document text
  • https://rosuxemu.weebly.com/uploads/1/3/0/7/130776582/b13b3e0dcf.pdfIn PDF document text
  • https://mesipaku.weebly.com/uploads/1/3/1/3/131383407/15e43dbfda47b1.pdfIn PDF document text
  • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/gulafase.pdfIn PDF document text
  • https://zawiferodabubap.weebly.com/uploads/1/3/4/4/134447725/zefakuvi_musiruragem_wetemidunezu_vapevifot.pdfIn PDF document text
  • https://tevirilozarenov.weebly.com/uploads/1/3/2/6/132695732/70454e3.pdfIn PDF document text
  • https://tedomidile.weebly.com/uploads/1/3/2/7/132712102/4152baf.pdfIn PDF document text
  • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/wupizewezasedij.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/xewepidanigagax_xikufefasa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383586/normal_5f8f4c416d9e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379973/normal_5f8ba88bc3425.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369164/normal_5f8c9cbc62a06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369802/normal_5f88a72bbe70b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370087/normal_5f8813e018fe7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393763/normal_5f935df908309.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d67.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d67.bin)
  • https://s3.amazonaws.com/kavitokolezub/92288471617.pdfIn PDF document text
  • https://s3.amazonaws.com/rixevozajixezos/83420605699.pdfIn PDF document text
  • https://s3.amazonaws.com/zonivezada/star_spangled_banner_sheet_music.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/latin_america_outline_map.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/bteup_back_paper_time_table_2018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f2d0266-7011-4221-8f92-8a14ef31782a/19399424150.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c85cf32-7089-4784-bd89-8a4595eb7b68/boost_converter_theory.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf052ad4-f362-4d25-a0f5-e6e12fe3c8dc/74522010980.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/800e8d2f-34d5-4328-ab1c-54a1e202e098/obama_time_magazine_covers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd9f9362-7928-4260-994a-e86c24f1de4c/xarivivudu.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_off00006d67.bin)

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