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
• 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://vilenefex.ru/strik?utm_term=family+therapy+concepts+and+methods+nichols+pdf PDF link annotation

  • https://manoduxasef.weebly.com/uploads/1/3/4/0/134041035/32785.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459482/normal_603763e405a87.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488842/normal_603724fc6e7ef.pdfIn PDF document text
  • https://cdn.sqhk.co/vaziworab/Fhbhjjc/math_worksheets_volume_of_a_cylinder.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449968/normal_6049c1cfd34c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411245/normal_605987339b664.pdfIn PDF document text
  • https://xigujevaw.weebly.com/uploads/1/3/4/7/134701692/53ecb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469643/normal_600dde8cceca9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4505839/normal_605424b23c5ac.pdfIn PDF document text
  • https://kumobavubisu.weebly.com/uploads/1/3/0/7/130775432/5455033.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370268/normal_602eec8aa90aa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485161/normal_6023f6dc9c292.pdfIn PDF document text
  • https://cdn.sqhk.co/naxupowu/GMvdjf3/draw_in_game_pigeon_chess.pdfIn PDF document text
  • https://cdn.sqhk.co/boxewemutox/fjbij9t/51649717186.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/1cb76c6e-663c-4515-88cb-255e42abb3cf/carel_easy_controller_error_codes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a74f5c24-5c18-49c4-8aab-3b493a9df059/how_to_troubleshoot_ac_thermostat.pdfIn PDF document text
  • https://6593eeda-10fe-4128-810f-cbbc79f0a4f8.filesusr.com/ugd/c0a4bf_d0f1e24dd547467584b86034460a66fc.pdf?index=trueIn PDF document text
  • https://d86ad34a-7df2-4f47-937b-a12ab5abc0fa.filesusr.com/ugd/8cbfce_d6e2fa0f81024a42a326ee6ba16d1b6d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/e13cbc23-b16e-4a3a-be7f-49f5555f3c2a/pakatobakora.pdfIn PDF document text
  • https://2b08c346-38d8-4763-b559-bb9d4fff2313.filesusr.com/ugd/40c9d6_b069cb4eba604359bcaf27d4f1d54bd7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bef0746-9b6a-4398-960f-a2f9740914ac/sebulewubo.pdfIn PDF document text
  • https://700ceb37-22d2-47c5-9888-d858af679aee.filesusr.com/ugd/c345b0_5bb5149333d648bfa688c5fdf1dddc97.pdf?index=trueIn PDF document text
  • https://1b6a1bbc-c127-422b-858f-c975555fd18f.filesusr.com/ugd/31f47c_fb7f1e136bf64706ac1ea243b9b6c43d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/1844ed2d-ef27-47e2-a370-6138971607bd/john_fraser_secondary_school.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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