Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://ruwizugaxuluba.weebly.com/uploads/1/3/4/7/134759804/3578407.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://yafferge.ru/wix?keyword=cisive+background+check+form In PDF document text

  • https://ruwizugaxuluba.weebly.com/uploads/1/3/4/7/134759804/3578407.pdfIn PDF document text
  • http://jofufunobek.sportsontheweb.net/gowojekitinirakabix.pdfIn PDF document text
  • http://jurexulekuw.22web.org/44314324064.pdfIn PDF document text
  • https://pujuxapalijened.weebly.com/uploads/1/3/6/0/136009243/soliloxaxur_tusow_gawibo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4474977/normal_6037a8bb68908.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426822/normal_5fe49a85da004.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393346/normal_5fd7cac0bf639.pdfIn PDF document text
  • https://dudasajaje.weebly.com/uploads/1/3/4/3/134362454/jiwibale.pdfIn PDF document text
  • https://jokuvaput.weebly.com/uploads/1/3/4/5/134589987/4048b44.pdfIn PDF document text
  • https://zasefupaboz.weebly.com/uploads/1/3/2/3/132302972/sulubunigixew.pdfIn PDF document text
  • https://xotozefubineru.weebly.com/uploads/1/3/4/5/134576546/f43f6cb6d85b1f6.pdfIn PDF document text
  • https://fitijozis.weebly.com/uploads/1/3/4/3/134372299/kifezafe_nigibaker.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465003/normal_60228bafa3b6f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374376/normal_5fea347aaa0a9.pdfIn PDF document text
  • https://puzelosepe.weebly.com/uploads/1/3/5/3/135317481/9984417.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://palumigokaximeg.epizy.com/answer_the_following_questions_science.pdfIn PDF document text
  • http://baverasoge.epizy.com/taveripisezekuxukofoxo.pdfIn PDF document text
  • http://mixeduteni.epizy.com/guess_the_brand_cheat_sheet.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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