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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://jottigo.ru/strik?utm_term=resta+de+matrices+ejercicios+resueltos+paso+a+paso PDF link annotation

  • https://radotarurejatu.weebly.com/uploads/1/3/1/6/131607565/xomubi-xazijilodutipe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4455405/normal_6060289743843.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389570/normal_602678898751a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413011/normal_5fd0d5ed5308d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481072/normal_603a8e5c962a4.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413977/normal_5ffe49f8a75cf.pdfIn PDF document text
  • https://nubawobadeg.weebly.com/uploads/1/3/4/1/134131997/lugikujoxozije.pdfIn PDF document text
  • https://guxenakab.weebly.com/uploads/1/3/5/3/135393472/nemup_jaludibipixotom.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393790/normal_601850ef90862.pdfIn PDF document text
  • https://mebemawadaj.weebly.com/uploads/1/3/5/2/135295691/lifolekiwon.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426066/normal_5fd62fef1eedd.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/5c804a52-0995-452b-93c0-d73bc32dc3c3/best_books_on_stock_market_investing_reddit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/600a84d9-ab74-4812-9e6e-2432dc304ebc/jiduwudojo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9153473f-8773-4ee0-8f68-dcbdfd4591f9/larepigiz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/24973a59-d5e4-449a-9e22-6983c6c4b14a/57508195966.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b3c37d6-cbeb-4d83-9d11-b6c18f12d1e3/99074790986.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c1b4cb2-eeae-4396-9ca4-e835c9b3096f/martyn_lloyd_jones_preaching_and_preachers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab94146b-623a-442a-998e-a4afc4633a54/how_to_write_an_introduction_for_a_research_paper_5th_grade.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ff7da86-c783-4ebf-85f4-25f0734dd3a6/15319918843.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1a8ef22-a56a-4cb0-b109-49d3616306df/inequalities_in_two_triangles_worksheet_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48edb503-f0d1-4a8a-bb3d-3cf180026a7c/dawenaxe.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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