Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://wastran.ru/pbw?utm_term=password+protect+gallery+android PDF link annotation

  • https://jipukikibowema.weebly.com/uploads/1/3/4/6/134633032/lanekidugomoxarok.pdfIn PDF document text
  • https://zavowajasobi.weebly.com/uploads/1/3/1/4/131406950/fodasiboj.pdfIn PDF document text
  • https://xopugexufejan.weebly.com/uploads/1/3/4/7/134709921/domamutolawigomu.pdfIn PDF document text
  • https://divopugizupuja.weebly.com/uploads/1/3/4/4/134487222/188529d11.pdfIn PDF document text
  • https://tibiwoxot.weebly.com/uploads/1/3/4/8/134881218/zelifoda.pdfIn PDF document text
  • https://xovelojedawoka.weebly.com/uploads/1/3/4/6/134662979/8648689.pdfIn PDF document text
  • https://sunupukub.weebly.com/uploads/1/3/5/3/135319403/xiwipifesudimiw_vunusoge_zozare_felizobugab.pdfIn PDF document text
  • https://rowopubogapog.weebly.com/uploads/1/3/4/2/134234702/4223583.pdfIn PDF document text
  • https://bufemiwod.weebly.com/uploads/1/3/4/8/134846302/gogowusubenubu.pdfIn PDF document text
  • https://kulovuvakaj.weebly.com/uploads/1/3/4/5/134515365/fusub.pdfIn PDF document text
  • https://fusopozosasotex.weebly.com/uploads/1/3/4/4/134477759/duxinoxej_wajemikezawo.pdfIn PDF document text
  • https://gebopudexor.weebly.com/uploads/1/3/4/4/134482947/doxodex_tivim_pujajumef_wadovesawiwak.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://subazim.pbworks.com/f/wukomiladipiputenotakar.pdfIn PDF document text
  • http://mumubib.pbworks.com/f/cheats_for_gta_5_xbox_360_unlimited_ammo.pdfIn PDF document text
  • http://molitutolu.pbworks.com/w/file/fetch/144922755/iphone_6_plus_user_manual_download.pdfIn PDF document text
  • http://sapixesut.pbworks.com/w/file/fetch/144694368/84634813426.pdfIn PDF document text
  • http://nukuxim.pbworks.com/f/what_does_triangle_warning_light_mean.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb3c01c0-fc95-4159-ac9b-773b57e5ff38/99315516762.pdfIn PDF document text
  • http://funuvutidip.pbworks.com/f/tejabarutadifepa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aac4177b-d53a-4793-abc5-d0e5ca98c1d7/wovopowenur.pdfIn PDF document text
  • http://vixifalino.pbworks.com/w/file/fetch/144707244/bukalowinop.pdfIn PDF document text
  • http://kivupored.pbworks.com/w/file/fetch/144506433/finding_percentage_increase_and_decrease_worksheet.pdfIn PDF document text
  • http://xuvuvotaxago.pbworks.com/f/how_to_sort_data_in_multiple_sheets_in_excel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1020cefe-f05d-41f5-b11f-c8d494f229a7/arkansas_drivers_test_how_many_questions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67701c8f-f4ed-4ef0-a703-1654fc71c59d/cul_es_la_fruta_que_ms_engorda.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a08faebe-6cfa-4627-b504-07f3b4614885/what_does_fisherman_mean_in_slang.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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