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://kuzutuzo.ru/wix?keyword=sum+difference+identities+worksheet PDF link annotation

  • https://sudarotabodubig.weebly.com/uploads/1/3/1/4/131407445/5213345.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408195/normal_603b11b61eb40.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464852/normal_6014be56983f9.pdfIn PDF document text
  • https://mupififidimob.weebly.com/uploads/1/3/4/2/134234858/e4f5c80c854962f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496146/normal_605f57a14837b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490273/normal_6041036214095.pdfIn PDF document text
  • https://mokabeninenaji.weebly.com/uploads/1/3/4/0/134013120/6026591.pdfIn PDF document text
  • https://bovoladimuva.weebly.com/uploads/1/3/0/9/130970023/3ecf488288538fd.pdfIn PDF document text
  • https://kelodopaseku.weebly.com/uploads/1/3/1/4/131406239/besosojupukisut-virit-gefimo.pdfIn PDF document text
  • https://fosevikotik.weebly.com/uploads/1/3/1/6/131637163/wovejuz.pdfIn PDF document text
  • https://jofesubuz.weebly.com/uploads/1/3/4/7/134775001/wajerenorovati.pdfIn PDF document text
  • https://zawurufaxi.weebly.com/uploads/1/3/4/8/134861846/cb702c5.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://fb075467-9d00-46c6-93ac-2b777f5e584b.filesusr.com/ugd/8bcd66_79f4e06f0a7e4294921774a8abf8d043.pdf?index=trueIn PDF document text
  • https://488a161d-122f-4e25-b35e-34d1d0e27b34.filesusr.com/ugd/bbc910_f620d895216c4c528bcdff652998cde2.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/supefujoxopubu/vanrakshak_bharti_2019_maharashtra_syllabus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1506938c-f770-4372-ba32-fc28adf18842/how_to_show_qualitative_data.pdfIn PDF document text
  • https://s3.amazonaws.com/jizubisetebof/crowdfunding_industry_report_2017.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46a05f2f-24b3-4bd4-b6d2-1d0c93585ab2/why_wont_my_pilot_light_stay_lit_on_my_water_heater.pdfIn PDF document text
  • https://30f21d72-2b41-4965-a7bc-2abb02bf1ded.filesusr.com/ugd/47e66e_ad216aea4b634a14b601413342dbcf1a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/88f7bbcd-4bb3-4c0f-b8ae-2fc665bf8c43/whirlpool_6th_sense_dishwasher_repair_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/zijivevip/25408217384.pdfIn PDF document text
  • https://1ba6f066-89d4-4445-b8a9-08a6de046ef2.filesusr.com/ugd/d40554_c0b5532166de4a118db8bb2fb70e3b21.pdf?index=trueIn PDF document text
  • https://434dcbc4-7bd9-40fe-99bf-e102daebf961.filesusr.com/ugd/07ef24_1d94ac29199c4bbdad5a531671d25cac.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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