Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nipisod.ru/award?keyword=certificado+medico+oficial+pdf PDF link annotation

  • https://nebolizeluxofid.weebly.com/uploads/1/3/0/8/130874408/1248080.pdfIn PDF document text
  • https://nesipemuwazona.weebly.com/uploads/1/3/4/8/134881126/df04a441e0b9b.pdfIn PDF document text
  • https://tarivoda.weebly.com/uploads/1/3/4/6/134693378/03cf914229.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454821/normal_60678600d8e1f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4487192/normal_5ff4782a5e151.pdfIn PDF document text
  • https://wokulenazaxur.weebly.com/uploads/1/3/4/7/134744474/xujematok.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444850/normal_60105adc67f96.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4486763/normal_604e66e8d55e3.pdfIn PDF document text
  • https://zuvagojajom.weebly.com/uploads/1/3/5/3/135398962/korevujosetewulevule.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4366327/normal_5ff9cb0d8f002.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388178/normal_603feb28bb92f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4480880/normal_600674da38d1c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/sezewu/water_pollution_sources_and_effects.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c3eb1e0-e666-4d97-978a-7ef69f92ac7f/raxixabezufir.pdfIn PDF document text
  • https://s3.amazonaws.com/wobuzisibal/brown_forman_financial_statements.pdfIn PDF document text
  • https://a0d2adcf-75bd-42a9-a42a-c23e1c6e9e1a.filesusr.com/ugd/85c99c_9fbd9e2e16a6402c80f777902c8f163d.pdf?index=trueIn PDF document text
  • https://746420f6-3007-491b-ba72-fd43be5094e5.filesusr.com/ugd/277b62_694ff8af93ed4925aafaf202ae41869c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zuguvoxoki/new_testament_bible_reading_plan_printable.pdfIn PDF document text
  • https://c370dac7-4848-4fa0-a6df-94361299e8ba.filesusr.com/ugd/fa6303_7c8cce9bb5994b2a90143a2f3812146d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/putelekireza/65282770597.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6aa7a2ec-2234-4fb8-aa58-34599ec47d85/star_wars_knights_of_the_old_republic_online_xbox_one.pdfIn PDF document text
  • https://s3.amazonaws.com/wizomoravazub/pipukumiparud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39c60d38-fb55-4fa6-aa15-c030c6741509/24305875090.pdfIn PDF document text
  • https://32cf4326-ba62-484c-a3ca-05d02c2dd2e5.filesusr.com/ugd/0b46e6_c4075b2d7cf34c99b970e099ab8087fb.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/932569fc-9855-41c0-8f56-ca43e81fba5c/microbiology_a_human_perspective_9th_edition_free.pdfIn PDF document text
  • https://d21da297-2d1c-4020-882f-059d99c29dc9.filesusr.com/ugd/3724a2_9c53f729e722477c8a05d0b03147e9fd.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f55746a-a6b2-4345-aace-0a1ab6989bfe/bekug.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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