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://jottigo.ru/strik?utm_term=chemistry+lewis+dot+structure+practice+worksheet PDF link annotation

  • https://cdn.sqhk.co/nuzitomizaj/tligCzJ/gipoxemikujizifuduv.pdfIn PDF document text
  • https://fujinimozebuxe.weebly.com/uploads/1/3/0/7/130738673/fotofufavenefutisuz.pdfIn PDF document text
  • https://rovewavulitomu.weebly.com/uploads/1/3/0/8/130873995/pilinuxotu-soregu-nebiwesega-jagojudeb.pdfIn PDF document text
  • https://lanufuxag.weebly.com/uploads/1/3/0/9/130969896/25f76827e.pdfIn PDF document text
  • https://cdn.sqhk.co/watexoba/Uhggcjd/6998759698.pdfIn PDF document text
  • https://fogolaliri.weebly.com/uploads/1/3/2/8/132814342/c3164ac23.pdfIn PDF document text
  • https://cdn.sqhk.co/ponajadu/hxjdjji/dadeve.pdfIn PDF document text
  • https://cdn.sqhk.co/pijovowifil/Wjjhfjf/subway_simulator_3d_mod_apk_2._20._00.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://uploads.strikinglycdn.com/files/507d291c-ffbf-4c2b-a839-66c67e754186/how_to_reset_samsung_tablet_without_password.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ee57794-7c76-4369-a2c5-6837986fd244/gavixuvufus.pdfIn PDF document text
  • http://pugomifo.epizy.com/ponogajonopigora.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0910922-72e7-4991-8066-6a189c24f0cc/particle_physics_lab_machine_crossword.pdfIn PDF document text
  • https://a0e9597c-cfbb-4fc1-b0e0-47ed6411b148.filesusr.com/ugd/24269e_8766b53e339b4d53a365e93960fcecec.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/90c80d8b-93df-4779-83af-d9394af9fd58/fijexelepojopobijin.pdfIn PDF document text
  • http://teladanizuv.rf.gd/88252998241.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/393ba687-74f0-4f5b-9a7a-5f54d24ef7ae/robert_jordan_the_great_hunt_audiobook.pdfIn PDF document text
  • http://butomepa.rf.gd/9182971514.pdfIn PDF document text
  • https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_11ca0590a1dd475b9938f332f172b0c6.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/4706a232-273b-4d2b-80f9-2673f370e505/6627615570.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40e88450-fad7-4656-8289-75ae8e46f1f9/betosin.pdfIn PDF document text
  • https://c30b87d5-e38e-4f4c-8f61-e356d9eaafe8.filesusr.com/ugd/347120_fa5fdc133587485d995b2a5fb4c9b8f3.pdf?index=trueIn PDF document text
  • https://69b3109a-7cce-4514-9193-d2106d9976ab.filesusr.com/ugd/3c2969_52242f95f3fd4aa2af66a9dd6c6be17d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/87525db6-6999-4857-98fb-ded2511399d4/car_maintenance_checklist.pdfIn PDF document text
  • http://numarape.rf.gd/9170926106.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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