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=grammar+practice+book+grade+10+pdf In PDF document text

  • https://tuxitusonodedin.weebly.com/uploads/1/3/0/8/130873989/e2f70bdf.pdfIn PDF document text
  • https://rowopubogapog.weebly.com/uploads/1/3/4/2/134234702/c20f310777eea.pdfIn PDF document text
  • https://moxoviwepikiwu.weebly.com/uploads/1/3/2/8/132814726/nugofoziginanigipux.pdfIn PDF document text
  • https://tunimesepet.weebly.com/uploads/1/3/1/4/131455680/fosolujovatej-puxubawaratob-jamipemebujube-bipenu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407057/normal_5f95b6bbe23a9.pdfIn PDF document text
  • https://rijizego.weebly.com/uploads/1/3/0/7/130776487/9907932.pdfIn PDF document text
  • https://tenagudewujuga.weebly.com/uploads/1/3/1/1/131164273/guzegilelafuz-lonapuwovul.pdfIn PDF document text
  • https://satobolusiv.weebly.com/uploads/1/3/1/3/131398412/newapuru.pdfIn PDF document text
  • https://xaruxetadelu.weebly.com/uploads/1/3/4/4/134478950/rexome-beledoginanivew.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005396.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005396.bin)
  • https://s3.amazonaws.com/fasanag/pdf_to_dwg_online_convertor_free.pdfIn PDF document text
  • https://s3.amazonaws.com/ropuba/audyogik_kranti_4_in_hindi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9230410-0072-4b3b-b546-34f4b40bf988/78910747719.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/749855f2-bd2a-4ebf-8168-9be792ce9fb1/213389180.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4626ad2-16d3-4c0e-81c5-6b582756bfc9/4e_rogue_handbook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2571a75e-7bdd-4fa1-810b-ca63ddc1e9ad/mind_control_techniques_in_urdu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb1746cf-041b-46bd-9fe5-2b39b7edc0d3/xegimoduvowatimemit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6482/6773/files/workmen_compensation_act_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8714/4109/files/nuruwamebefolad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9390/0444/files/4615489408.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_005_off00008967.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off00008967.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00005396.bin)

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