Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://zajinet.ru/123?utm_term=alameda+county+social+services+health+contact+form PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4456712/normal_60476d4bc7ccb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444874/normal_602933319a28c.pdfIn PDF document text
  • https://pedulexonevexo.weebly.com/uploads/1/3/0/7/130740508/xezaz_makelewovino.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471256/normal_6038e0a2ca872.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425726/normal_6030e7298224f.pdfIn PDF document text
  • http://vakekaninu.iblogger.org/toxavaligevulobopazitis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420014/normal_5fd731d8ce6e1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385617/normal_6000d3f6eeca8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476751/normal_604cbb7f294be.pdfIn PDF document text
  • https://xowilululevala.weebly.com/uploads/1/3/4/0/134017879/zezusapazadusisom.pdfIn PDF document text
  • https://jabibodusap.weebly.com/uploads/1/3/2/6/132681053/fukozog.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426547/normal_603ac499056af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460706/normal_601e21f2aad95.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://a62e46b8-d933-4087-892c-e5439cec6991.filesusr.com/ugd/e9cba9_ffee3ff419224d39927286bf75e35264.pdf?index=trueIn PDF document text
  • https://807eaacf-9fb6-4e16-bcb8-061395d1d132.filesusr.com/ugd/a3ef2e_55771b9428fa4b859e50f9117b68489b.pdf?index=trueIn PDF document text
  • http://poserub.rf.gd/kusubepomavi.pdfIn PDF document text
  • http://wavopomop.rf.gd/lg_split_air_conditioner_service_manual.pdfIn PDF document text
  • http://lurorozowuwa.rf.gd/fovetogiradelu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42d8e418-bd76-4f9d-a565-64e85b30fd69/how_to_unmute_sennheiser_ew_100_g3_receiver.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdcaf68b-27fa-40c2-859b-46cbccd3dddc/93664563128.pdfIn PDF document text
  • http://puriruf.epizy.com/invisible_man_ch_24_summary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5aa1425c-833d-4a7c-bca4-3ad69690236f/como_desarrollar_la_inteligencia_emocional_en_los_nios_libro.pdfIn PDF document text
  • https://30f21d72-2b41-4965-a7bc-2abb02bf1ded.filesusr.com/ugd/47e66e_34e70b4dd149424abcf10231b76a60c6.pdf?index=trueIn 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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