Malicious PDF — malware analysis report

Heuristics 5

• 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://trafficel.ru/aws?keyword=watch+free+movies+online+gomovies PDF link annotation

  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/wirexanusir.pdfIn PDF document text
  • https://zirodaxe.weebly.com/uploads/1/3/4/6/134611642/53693c4a1d1ed00.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/1000608.pdfIn PDF document text
  • https://depufavekozumel.weebly.com/uploads/1/3/4/0/134017714/sedutifago_lijaxu.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/32ea35a9d5.pdfIn PDF document text
  • https://fasuwilobavofe.weebly.com/uploads/1/3/4/4/134489762/zepezasine.pdfIn PDF document text
  • https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/5791089.pdfIn PDF document text
  • https://pimupaxepa.weebly.com/uploads/1/3/1/8/131857198/bb81acb5b39.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/xenavuxa/21816608522.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bad1b1c1-f0a6-467e-b78c-a7b6eccf032c/install_apk_android_studio.pdfIn PDF document text
  • https://s3.amazonaws.com/voxipanovigepiv/bubble_map_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34b2fead-7de0-41e7-9821-ee0e4c05c71a/novodudopuxir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c3ce928-f093-4a64-874b-1979fb9fc956/judosemixalenowajo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/457da19a-8b59-4010-a1b4-8c528da9b647/game_of_thrones_piano_sheet_music_free.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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