Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://leonvi.ru/wb?keyword=singaporean%20math%20grade%201%20worksheets PDF link annotation

  • https://zegilaritapedu.weebly.com/uploads/1/3/1/4/131438092/af366c855758.pdfIn PDF document text
  • https://tivepikilusu.weebly.com/uploads/1/3/4/7/134759048/gulodabuboviti.pdfIn PDF document text
  • https://cdn.sqhk.co/dufelogaruf/4UT1au3/grow_zombies_mod_apk.pdfIn PDF document text
  • https://lufisadoxusixa.weebly.com/uploads/1/3/4/5/134583632/venubepir.pdfIn PDF document text
  • https://zogugixuwomu.weebly.com/uploads/1/3/4/2/134234599/mosuretub.pdfIn PDF document text
  • https://cdn.sqhk.co/giruzegovu/Pjdgihh/train_crossing_lights_uk.pdfIn PDF document text
  • https://cdn.sqhk.co/duzixulok/PCjFhi8/kigumevojoruxopevofijo.pdfIn PDF document text
  • http://899themes-demo.ru/3494982196721x6o.pdfIn PDF document text
  • https://fuzaterolipi.weebly.com/uploads/1/3/1/4/131438829/tivemevigugatulesu.pdfIn PDF document text
  • https://cdn.sqhk.co/rifusofuwedi/RgdidtN/dupawaromepeg.pdfIn PDF document text
  • https://cdn.sqhk.co/donuvoduvedo/jioghcN/zuravateniwupemexo.pdfIn PDF document text
  • https://cdn.sqhk.co/devisojop/OieFILc/word_chef_answers_sushi_japan.pdfIn PDF document text
  • https://suxutusebosogu.weebly.com/uploads/1/3/1/3/131379987/1878940.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zesotat/concave_function_uniformly_continuous.pdfIn PDF document text
  • https://s3.amazonaws.com/wufujudisu/physics_circuit_symbols.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

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