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
• 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://dafemum.ru/award?keyword=polarized+microscope+pdf In PDF document text

  • http://websecurer.tech/13930071071q9jka.pdfIn PDF document text
  • http://marketes.pro/jobs_in_canada_for_indian_mechanical_design_engineerb0rwa.pdfIn PDF document text
  • http://copyrighthelpptteam.com/8968032777dqjzb.pdfIn PDF document text
  • http://omynutural.space/80755242413qd413.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/a1788e91-5424-425a-9b3f-e3cdd3629f28/16009123604.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/430eb758-84d5-4f4f-8376-36d445351a12/how_long_to_cook_chicken_in_baby_george_rotisserie.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/536713f5-d343-47a0-8b8b-25c0c5db10e0/south_indian_food_menu_list_non_veg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1eaec42b-36e1-4456-bdb7-b27a0c8d621c/49282992673.pdfIn PDF document text
  • https://0c3b2bb2-3ac9-4e0e-a0b2-530a831cdf0d.filesusr.com/ugd/23193f_4f79265428a248da80bbbdaf1ea37fd1.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fbdcbb1-dcb7-4d3c-9c83-b04505230583/82264826845.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d61fa53-5939-4493-83a9-64a94607f995/word_formation_basic_exercises.pdfIn PDF document text
  • https://s3.amazonaws.com/lazolu/45656669808.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc5ebe7d-0294-4d48-b6bf-ac463e1a03f1/31302038390.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d9d61c6-5d6a-45ea-9613-d473b80932c6/denon_avr-s900w_problems.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a42a092-dd5a-40a1-b6f9-2c30e87cf47a/74894068105.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/345d6cb7-c892-43b2-9675-8b509c53ea06/2008_jeep_wrangler_unlimited_sahara_4x4_sale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6234e834-56a9-4d30-bf1e-19d6eea035bb/53593111552.pdfIn PDF document text
  • https://s3.amazonaws.com/mupukesunobaga/dd_5e_xanathars_guide_to_everything_full.pdfIn PDF document text
  • https://6e229dea-1f83-4be8-8cd3-388eabd4f5e3.filesusr.com/ugd/1cfe37_b7a365cae023448081adde60430b1240.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dezajok/kernville_weather_report.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/024087f0-7db1-4095-bbe1-7a0eba05c7b5/jiinju_bubble_sheet_mask_review.pdfIn PDF document text
  • https://07e0a16e-b77d-475b-b724-88bbaedb347c.filesusr.com/ugd/8e9e2f_db8800cb54d9499aa2965ed8600c4261.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zetituri/23419866567.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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