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
• 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/wix?keyword=unreal+flash+2007+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4467979/normal_605644225db7e.pdfIn PDF document text
  • https://zufulakoloti.weebly.com/uploads/1/3/5/3/135301661/risariwosuzadew.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379487/normal_5ff61583ef890.pdfIn PDF document text
  • https://bigifami.weebly.com/uploads/1/3/1/4/131407708/a75246d8a1b1fc.pdfIn PDF document text
  • https://jugafuxuxeg.weebly.com/uploads/1/3/2/7/132740719/8a214.pdfIn PDF document text
  • https://tajidirubizev.weebly.com/uploads/1/3/0/7/130739153/fuxofu-vaxigutuwok-besutebivemi.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/30cba358-ba0f-4f70-89ca-230e2279d036/dawamosojamino.pdfIn PDF document text
  • https://s3.amazonaws.com/papuja/85122395504.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64ecf5e3-df07-434d-8f37-a8dfd0fa12ad/todapakurarizi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b214c490-faef-4fc4-9b16-4bae8bf8a0d0/mortal_instruments_city_of_bones_full_cast.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92861316-7adf-4e32-aafd-2a818f7f8716/cules_son_las_formas_de_expresin_oral_que_existen.pdfIn PDF document text
  • https://2a4065d7-883d-43e8-a524-7ce9aa4b4e88.filesusr.com/ugd/ccb1c6_470030e4c6cf45c780613877a72ebd5d.pdf?index=trueIn PDF document text
  • https://510adc33-753b-44c0-977e-8d34da8fcdd4.filesusr.com/ugd/5f4192_3f3c25341569477c8f395be8a3dbfd79.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zafijukopa/how_to_drain_down_a_water_heater.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a487dd1e-0e23-43de-af8c-2fb49760effd/what_are_the_different_types_of_compound_words.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2292cc09-9aa1-4406-af56-8f7fcb46decf/wikuwebokomokenusigovesi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b3843ea-74f0-4e08-b29f-6729b3b085db/sony_sa-cs9_115w_10_active_subwoofer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a53d9223-4e8e-4207-9c58-254ab970cee0/vagewoluveb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f18107f4-635f-4b96-86a8-30630b7be41c/imgenes_de_caras_de_emociones_y_sentimientos_con_nombres.pdfIn PDF document text
  • https://s3.amazonaws.com/dalava/black_and_decker_grind_and_brew_coffee_maker_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fdad2060-6b0f-4e97-968c-f30dd352598b/interview_questions_to_ask_a_teacher_about_assessment.pdfIn PDF document text
  • https://s3.amazonaws.com/kudufigunabi/nazenujejugavuso.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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