Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://kenilajapa.weebly.com/uploads/1/3/1/0/131069910/2434255.pdf.
• 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://gettraff.ru/pify?keyword=writing+rubrics+for+esl+students+pdf In PDF document text

  • https://kenilajapa.weebly.com/uploads/1/3/1/0/131069910/2434255.pdfIn PDF document text
  • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/32f1e16000bb.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/a8401ec7a9859.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f870636ee6eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366366/normal_5f871378c96de.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f87156fc0d5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366408/normal_5f873ed4bc9d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f873dc32e442.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f873cc48d4c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366302/normal_5f870df784df2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366965/normal_5f873decb3e2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f872c4de85db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f873f30e4aba.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/7971455.pdfIn PDF document text
  • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/tevow.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/laresisif_kigadebokenub_bajutinerid.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/xududev-ledavodu-jatulivarolaxe-bixebenal.pdfIn PDF document text
  • https://meboguvogo.weebly.com/uploads/1/3/1/4/131437667/lisibojuk.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/357ceb55-e350-4150-aee9-f1ce18f78e0a/kikekezegumuwodo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aeb44aef-0f7d-4c49-8ac1-320bc2ac0a95/33624051576.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d137bf2-f7ce-4ba1-b77e-d48217c685fe/36312376051.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/16542de3-fb70-42a2-8671-7d6741d445dc/depame.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9674/5147/files/cap_nuts_black.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1338/1028/files/rokojugakilomaperupi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6601/5395/files/55358792165.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5947/3312/files/altec_lansing_mini_life_jacket_2_manual.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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