Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://crophysi.ru/strik?utm_term=oracle+12c+end+of+life+extended+support In PDF document text

  • https://tewedarutomos.weebly.com/uploads/1/3/2/3/132302993/8458515.pdfIn PDF document text
  • https://zamomojufowa.weebly.com/uploads/1/3/4/6/134613680/1fb6ec8290c2ffe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403940/normal_60649e72f23c7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4468255/normal_6007d2b87a278.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383928/normal_603120a19e75a.pdfIn PDF document text
  • https://kufojinelimipi.weebly.com/uploads/1/3/0/7/130776518/zipemisife_tilasajotokup_delosomu_zasavaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461780/normal_600a740f5845b.pdfIn PDF document text
  • https://tixoguwod.weebly.com/uploads/1/3/4/6/134694164/503ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394071/normal_6055ae05f1a5d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4445114/normal_601e1a9a66b60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488842/normal_606415ef787a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501660/normal_5fe8e5fc7ba96.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443617/normal_6026e91a615b0.pdfIn PDF document text
  • https://xowitato.weebly.com/uploads/1/3/0/7/130776358/03725f029e55.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://cabae152-0d18-4cc7-9545-8711a89e332e.filesusr.com/ugd/607e04_911b054283d94334a1a4748acb99681c.pdf?index=trueIn PDF document text
  • https://357b8bef-7330-4cfe-b31d-389db25c4d5a.filesusr.com/ugd/4c76bf_db532fdc168b47f786e4351ca19a30c6.pdf?index=trueIn PDF document text
  • https://46c19374-600d-43be-a5f2-d8bf07c6fddf.filesusr.com/ugd/cc94a4_89b6b4e7b9d745078386d304cd7d28af.pdf?index=trueIn PDF document text
  • https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_698a323b25c147a3a445a309ea6788e0.pdf?index=trueIn PDF document text
  • https://8488b7ac-84bc-45ae-88ed-26841205fc59.filesusr.com/ugd/7cda3c_72b5d23b55c443a1bc5f197cceb0d390.pdf?index=trueIn PDF document text
  • https://1347de4c-4e54-429a-b84c-372e60bc5a2b.filesusr.com/ugd/6c98bc_1827820a543c46169467952422a89bcf.pdf?index=trueIn PDF document text
  • https://a819be37-316e-4347-83bc-b067fb6953c8.filesusr.com/ugd/d5662a_ad6581d1132942d68408588683d0ed47.pdf?index=trueIn PDF document text
  • https://f7e05ffc-afae-4d19-be15-7e9c659e5e5f.filesusr.com/ugd/72f62b_8c4ea71ebe924a3ebf02e847ea8af6cd.pdf?index=trueIn PDF document text
  • https://e9b66cc5-9289-431c-8f17-6739e1cd2d88.filesusr.com/ugd/c8f33b_990729b022494d4e9014851a0ace9c12.pdf?index=trueIn 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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