Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/pbw?utm_term=bandicam+full+version+free+2020 PDF link annotation

  • https://sanejivuzagegu.weebly.com/uploads/1/3/2/7/132740711/vaviwa.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4483591/normal_5ffbf9f584170.pdfIn PDF document text
  • https://nugaginidej.weebly.com/uploads/1/3/4/4/134475369/xotov.pdfIn PDF document text
  • https://tikigafose.weebly.com/uploads/1/3/0/8/130874564/lujalijuzibapijidus.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427086/normal_606d67e55d917.pdfIn PDF document text
  • https://dodedogob.weebly.com/uploads/1/3/1/3/131382673/jixusobe_pademifudaxaj.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4394068/normal_600271001222c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477630/normal_6033ece362cdc.pdfIn PDF document text
  • https://mobirepesumab.weebly.com/uploads/1/3/4/8/134855066/putenekerif-rubimusiziwaxo-wokebo-nivesipakadejis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457590/normal_6023de9c5a809.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
  • http://bovojigu.pbworks.com/w/file/fetch/144420216/cuentos_cortos_de_aventuras_para_nios_de_secundaria.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a7c312a-6a5c-483c-9104-7c67302ce337/34200361100.pdfIn PDF document text
  • http://nanefumipopo.pbworks.com/f/how_to_relight_an_automatic_pilot_light.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5770c66c-4f60-4c81-8fe5-790661b7faf1/compare_and_contrast_static_and_dynamic_stretching.pdfIn PDF document text
  • http://nusuwoxub.pbworks.com/f/is_there_no_netflix_app_for_ipad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd231ef8-fd94-4475-b843-36f066f1d422/14582179839.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a430107-3702-4c8a-965b-732a38f41701/nelson_font_handwriting_worksheets.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92703b07-e7b5-4c13-89e5-e5cb3164edf6/algebraic_expressions_worksheets_6th_grade.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a22551b-5c46-4034-9738-7e713b8a64e7/musabikaxovodik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45b8a98e-4ca6-4240-b662-ea0f1c975da6/70842141194.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79bf2838-7885-4cdb-afc1-7848208dad12/bible_english_standard_version_vs_king_james.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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