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://baarspo.ru/award?keyword=top+down+approach+in+reading+pdf PDF link annotation

  • http://kodamup.22web.org/metformin_dosage_in_renal_failure.pdfIn PDF document text
  • http://metiwizonud.getenjoyment.net/old_astrology_books_in_tamil.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450418/normal_60317f285d797.pdfIn PDF document text
  • http://tamogulaganero.scienceontheweb.net/que_es_la_caries_dental.pdfIn PDF document text
  • http://xowozumevabig.66ghz.com/address_format_letter_usa.pdfIn PDF document text
  • http://lafefutom.iblogger.org/lorentz_and_coulomb_gauge.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413120/normal_602d38f6d5cd5.pdfIn PDF document text
  • http://retapadu.medianewsonline.com/how_to_start_a_home_baking_business_in_texas.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://e26976e3-f089-44cc-a2a6-54bcc6cae308.filesusr.com/ugd/0df15e_5efb82cf4be24f4d8daf99ffb88d46f4.pdf?index=trueIn PDF document text
  • https://aa700e4b-9450-4a85-8b7e-8c92ffe47626.filesusr.com/ugd/de972d_efef546b3dad4ae897cb7d2a294be001.pdf?index=trueIn PDF document text
  • https://5090c2af-253d-40c3-bfb7-942fc6db26b0.filesusr.com/ugd/0511f5_d7c0ce0bc61d4e4995268a5e05bfb429.pdf?index=trueIn PDF document text
  • https://ad9f1622-e3b7-49db-bfef-326c48fb2104.filesusr.com/ugd/a467d2_a1909b00469944189f3b8965465e3cb0.pdf?index=trueIn PDF document text
  • https://c01188fd-d8af-4b86-846b-090f7ecd58d8.filesusr.com/ugd/9058e5_0d7520374e9c44f386053c565aae383d.pdf?index=trueIn PDF document text
  • https://8d2868a3-57b7-484c-81f6-493c1c4f5daa.filesusr.com/ugd/a8ca0f_d5bed607d17049668bfb601c9d4cd8b4.pdf?index=trueIn PDF document text
  • http://daponub.epizy.com/chefs_choice_knife_sharpener_4643_review.pdfIn PDF document text
  • https://ce55c564-0e79-48ac-bd91-a034cff8554b.filesusr.com/ugd/bd1fc0_46784f29a2c84d9d90f5d4345ff9503c.pdf?index=trueIn PDF document text
  • https://58eafb2e-ea74-4523-a1b2-d2e0fe9bfe54.filesusr.com/ugd/466fa0_58dac187c5e04fcaafbb157bbba19fe4.pdf?index=trueIn PDF document text
  • https://cee4a208-09ac-40e0-983f-4c2cc776acbe.filesusr.com/ugd/5ed537_662bbd1d519b4ddab90b52fc3b2cf37a.pdf?index=trueIn PDF document text
  • https://d8d078ea-10ec-4787-8e21-ef6e32b87a24.filesusr.com/ugd/8f6098_fc0ee871dae64f348d859ab3e0afd21a.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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