Malicious PDF — malware analysis report

Heuristics 5

• 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://ggtraff.ru/123?keyword=sports+medicine+powerpoints In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366637/normal_5f89a53ad00d6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f88cccdea231.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384301/normal_5f8f294749e48.pdfIn PDF document text
  • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/gaxukegudo-jexipageburujof.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372980/normal_5f88da2a9cbbe.pdfIn PDF document text
  • https://vatalinonabalix.weebly.com/uploads/1/3/4/2/134234662/rodubosazopof.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379233/normal_5f99ea0b6683b.pdfIn PDF document text
  • https://xajoxivanuxus.weebly.com/uploads/1/3/4/4/134432241/wagebupesebitupifigu.pdfIn PDF document text
  • https://zigegawemofeza.weebly.com/uploads/1/3/1/4/131406932/zesowisitusat_nulejobijud_posutodibaruzez_sexanuzem.pdfIn PDF document text
  • https://lesofetu.weebly.com/uploads/1/3/1/3/131378838/2493364.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390052/normal_5f95b563388c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368747/normal_5f8b60d33226c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368740/normal_5f8d83bdd6b4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380675/normal_5f9079a24ed12.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2274/4234/files/uaa_library_spring_break_hours.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/329be5db-d3cb-4e93-a624-190665ec1b81/13947372492.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/022bd794-e1b8-42f9-8003-7dcf8db868b9/41204771484.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9802/1793/files/72689230984.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/5502/6854/files/94638281601.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04121788-f255-4393-98d7-6f7f4fa89668/wujejafepizopek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/2663/9780/files/97421300906.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33e52642-e830-469b-ab2f-98f502d3feba/89937453643.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8889/4880/files/indiana_thespians_state_conference.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9818/6937/files/zipunofedevuv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/5224/7461/files/offline_stickman_games_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/8717/9160/files/maboxifaridofo.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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