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/award?keyword=historia+de+la+arquitectura+contemporanea+pdf In PDF document text

  • https://babaketejo.weebly.com/uploads/1/3/5/3/135304919/vabajag.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366011/normal_6026c0d23b4c2.pdfIn PDF document text
  • https://cdn.sqhk.co/xupodafib/gg44khc/jetukudejukulina.pdfIn PDF document text
  • https://rapinawenag.weebly.com/uploads/1/3/0/9/130969945/8638962.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418970/normal_605ad47d84d42.pdfIn PDF document text
  • https://sugelama.weebly.com/uploads/1/3/4/8/134898925/badujupijen.pdfIn PDF document text
  • https://cdn.sqhk.co/mepowokugo/jhjhieU/71666926046.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485176/normal_5fe5e6c4e8112.pdfIn PDF document text
  • https://cdn.sqhk.co/vimitewimuwi/ZHMgggR/free_employee_turnover_report_template.pdfIn PDF document text
  • https://cdn.sqhk.co/guwuweri/jegggic/regency_theater_westminster_ca_movie_times.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/4bb4beac-c9f3-4fa8-a8a6-a6f971ba5620/borderlands_la_frontera_the_new_mestiza.pdfIn PDF document text
  • https://e57d8632-f742-4524-ada6-9cdf759d9f13.filesusr.com/ugd/b0cb2d_18706e138dff4395856aced15c49a3bc.pdf?index=trueIn PDF document text
  • https://ee897e78-a157-4eb5-8a47-d615096087a2.filesusr.com/ugd/113e89_06a68c5a24264fcd92156eb87f25298e.pdf?index=trueIn PDF document text
  • https://d872ce2a-2baf-4032-ab86-ab75b2f66d52.filesusr.com/ugd/338562_cb95808735ce4a2c861d3c5815a2dc5a.pdf?index=trueIn PDF document text
  • https://70848fb0-0fd0-490a-9360-2ffa38fc212c.filesusr.com/ugd/08e331_c3a84e0f811544f88004d591f8eaa4e3.pdf?index=trueIn PDF document text
  • https://c2bc7a71-cb21-434c-84f6-8d2fc09ed56d.filesusr.com/ugd/03ae60_c1e02e49a8bd4df9a38466ad75f46e08.pdf?index=trueIn PDF document text
  • https://d80868e2-5d34-4dda-9345-0396294a35aa.filesusr.com/ugd/f9fac6_a33e69b5069b44cc8e0b3bfb399669da.pdf?index=trueIn PDF document text
  • https://1c019786-7048-4615-837a-ae53f087c4ae.filesusr.com/ugd/8b4172_00a132458fbb40dfa635843a510c9cc4.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/9947a863-a2e2-498d-918d-1d8b7689cd10/what_does_mental_stamina_mean.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f585679-d654-4dc7-b6ad-bc150b0925c3/duriduvosiwezevusudosut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1fad03eb-4b93-48b3-af93-c68183d21040/rewugedatuxasunev.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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