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://traffine.ru/aws?keyword=june+2015+physics+regents+answers+with+work In PDF document text

  • https://jimigafekalese.weebly.com/uploads/1/3/1/4/131407537/jojun.pdfIn PDF document text
  • https://zigeginuserepu.weebly.com/uploads/1/3/4/0/134041232/vuvakasaneseb-napuk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375339/normal_5f8ae782501f1.pdfIn PDF document text
  • https://rixokofumi.weebly.com/uploads/1/3/1/3/131380985/3208406.pdfIn PDF document text
  • https://riragojefo.weebly.com/uploads/1/3/1/8/131857115/8645161.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/tunitulo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://rupaxil.files.wordpress.com/2020/11/vsepr_theory_questions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/990fe233-a80b-4449-b711-9b096f54b512/zombie_chronicles_xbox_one.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c058a2d-0ca1-4d34-b0a5-ecfee0aecd81/70581242853.pdfIn PDF document text
  • https://junevip.files.wordpress.com/2020/11/diablo_2_annihilus_guide.pdfIn PDF document text
  • https://mutozofe.files.wordpress.com/2020/11/67728004733.pdfIn PDF document text
  • https://jebisavanob.files.wordpress.com/2020/11/paycheck_stub_1_worksheet_answers_1.13_1_a3.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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