Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://mezovuduw.ru/strik?utm_term=how+to+download+and+install+acrobat+pro+dc+helpx PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4454167/normal_60044b3e00e5a.pdfIn PDF document text
  • https://vasalidut.weebly.com/uploads/1/3/0/9/130969475/dediroguxunaz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416918/normal_6038bebf9fd9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409238/normal_60352c33a3662.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487431/normal_605b9eb0f3f07.pdfIn PDF document text
  • https://nasijominazol.weebly.com/uploads/1/3/4/3/134366940/64c3a3b78f3e408.pdfIn PDF document text
  • https://beretukajawedu.weebly.com/uploads/1/3/4/7/134713042/fibenasolik-bepetaz.pdfIn PDF document text
  • https://tavadubamik.weebly.com/uploads/1/3/4/4/134473349/baf474de5412aa.pdfIn PDF document text
  • http://kewisanoxiv.66ghz.com/90083598061.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475719/normal_5fef85653ecf3.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/b47010b0-9f66-402a-ac04-acb196a565ec/firmware_update_linksys_wrt160n_v3.pdfIn PDF document text
  • https://627f215e-41ba-4aa4-9906-5f9f9d117739.filesusr.com/ugd/8ab72e_a360860157a94f0abdb6a248e3cff4d7.pdf?index=trueIn PDF document text
  • http://zisoramemib.rf.gd/70750264685.pdfIn PDF document text
  • http://mipalex.rf.gd/44271733100.pdfIn PDF document text
  • https://b84c3727-5d5a-4c5d-9d5d-21cac87b3a69.filesusr.com/ugd/fdd6c2_7be35c0a0ad24e4b9bbbc91f5c504595.pdf?index=trueIn PDF document text
  • https://551f0ad2-75d1-4009-b90b-2f3e3e20230b.filesusr.com/ugd/c2bf0a_048a74eadff642239e2cd8bafc5871f2.pdf?index=trueIn PDF document text
  • http://wikugojumoxo.epizy.com/13150530489.pdfIn PDF document text
  • http://futotodogedujox.epizy.com/how_to_do_an_istikhara_for_marriage.pdfIn PDF document text
  • https://cb38ef3f-1f2c-4622-8962-dca261660167.filesusr.com/ugd/3ae201_99b35c4ef2714067a08411c428960f1e.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/6cd36fd0-e490-4381-9ded-5e6193929b60/puvek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2fd8f44d-50e0-4234-a334-479769ea3d2f/duweronisaxurebexigepiser.pdfIn PDF document text
  • https://1c896d37-30d1-4b4d-9537-98f963aae812.filesusr.com/ugd/865d50_24b8d0b251534c37bacea802778b8a7a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef2bef55-8418-44ab-84a7-57ef37a0b8fd/where_to_put_pads_on_tens_machine_for_sciatica.pdfIn PDF document text
  • http://damikofem.rf.gd/c_programs_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/376440b9-bc94-43f7-9cee-a531322a8a23/musaxozovam.pdfIn PDF document text
  • http://rininimesoxino.rf.gd/21135823851.pdfIn PDF document text
  • http://lavovexerok.epizy.com/define_entropy_in_information_theory.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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