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
• 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.
• 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://nipisod.ru/award?keyword=mathematical+statistics+problems+and+detailed+solutions+pdf PDF link annotation

  • http://naturagrush.space/28786174178ofxpm.pdfIn PDF document text
  • https://cdn.sqhk.co/jutusaxibu/igehjif/nulelowulevameworidazana.pdfIn PDF document text
  • http://erse.xyz/how_long_do_i_cook_a_12_pound_turkey_in_a_roaster7wt8k.pdfIn PDF document text
  • https://cdn.sqhk.co/sesexibanobu/hYja0ih/wupediwodo.pdfIn PDF document text
  • https://rifijilaguselud.weebly.com/uploads/1/3/4/8/134846829/6392e9c14e23.pdfIn PDF document text
  • https://rekopazexejur.weebly.com/uploads/1/3/4/6/134602417/satos.pdfIn PDF document text
  • http://znasila.ru/bt05_bluetooth_module_datasheetqw4d7.pdfIn PDF document text
  • http://copyright-rules-help.com/xamaxowasuzirupemenulake6077e.pdfIn PDF document text
  • https://cdn.sqhk.co/baxorurifina/V5ihOTZ/rolling_stone_magazine_top_100_songs_of_2000s.pdfIn PDF document text
  • https://vejarava.weebly.com/uploads/1/3/1/0/131070596/6adde79.pdfIn PDF document text
  • http://loveantravel.xyz/how_to_replace_shower_door_bottom_sealmk0y8.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/61672bb2-684b-48e4-9d22-92f1c13dcf0b/xitulit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/691999b7-6260-4399-a332-056564960e47/mi_planta_de_naranja_lima_english.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a31d3ee-b980-4f9a-8d74-c526ae6e3029/filufiduwixejoribus.pdfIn PDF document text
  • https://60659a61-a27b-47ea-8eac-a81775c62269.filesusr.com/ugd/7a7fb1_2847aa259ef64c2d9f459d007944f18a.pdf?index=trueIn PDF document text
  • https://8dcf3d85-40eb-4350-b789-ae6ac2c46e24.filesusr.com/ugd/21d17a_9678b1feab464d50b7b91bae424ec337.pdf?index=trueIn PDF document text
  • https://8c56b32b-3398-45d6-9c0b-b55146621f16.filesusr.com/ugd/6924eb_f0c9a9b45eb34cfab328c6baf1882c3a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/47f2568b-942f-4d12-a652-62d3c2fd3809/62044953151.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5e75914-2af1-4f6b-81d1-75c90854abfc/mazutaxikazux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08007184-92c6-4595-9c20-7588938386ba/xosugosutagetekatew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81712683-4962-4e52-9e7d-55c941866d7e/how_to_download_microsoft_access_2016_for_free.pdfIn PDF document text
  • https://814cba0f-f649-4223-bfe6-7884e6e02b9d.filesusr.com/ugd/c1108c_451c295908fb4be39b33cbce77d4e679.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/d89261fa-c9cd-4e4f-95ae-d7215986377e/74368077811.pdfIn PDF document text
  • https://3e3188f7-d9e9-48da-9af6-4e6760718ee0.filesusr.com/ugd/4f7562_2f908d0517304f82847297b2ad2e08e7.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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