Malicious PDF — malware analysis report

Heuristics 7

• 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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://zajinet.ru/strik?utm_term=where+to+donate+furniture+for+pickup PDF link annotation

  • http://xagakojitogiva.getenjoyment.net/76426289626.pdfIn PDF document text
  • https://cdn.sqhk.co/senagoxosog/hhgeahh/balloon_arch_tutorial_with_fishing_line.pdfIn PDF document text
  • https://liwavijej.weebly.com/uploads/1/3/4/3/134379327/80654582ba.pdfIn PDF document text
  • https://cdn.sqhk.co/negapevu/gjidiKT/23881511246.pdfIn PDF document text
  • http://netewe8.xyz/93964589359bbv7b.pdfIn PDF document text
  • https://cdn.sqhk.co/kuwusemob/D8ifij3/27208998277.pdfIn PDF document text
  • https://cdn.sqhk.co/nomuzali/gdaNhax/evolutionary_theory_of_emotion_mcat.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415946/normal_600adc2077646.pdfIn PDF document text
  • https://cdn.sqhk.co/wemonamo/e4gjjgV/fun2_2_player_games_at_home.pdfIn PDF document text
  • http://antonioit.space/rancilio_silvia_parts_listyaf8h.pdfIn PDF document text
  • https://fepexugoroba.weebly.com/uploads/1/3/4/4/134469665/ropijisizosoji.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378857/normal_602ae14c6dea0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501231/normal_6052fc3917932.pdfIn PDF document text
  • https://disemiseses.weebly.com/uploads/1/3/1/4/131407045/5528026.pdfIn PDF document text
  • https://doxuvufunufake.weebly.com/uploads/1/3/0/8/130874670/makazifivi_gumupupitiveka_vevikuta_sudunis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391620/normal_604423acf231f.pdfIn PDF document text
  • http://pakirekugep.scienceontheweb.net/48678477948.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/waterdeep_dragon_heist71fcr.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475739/normal_6040790ede88a.pdfIn PDF document text
  • http://esportzmlevent.com/92161373428l9z9i.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/aca9cefb-9234-4706-ad97-c58279ca3208/bill_nye_states_of_matter_worksheet_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea4409f0-d1c9-426e-bb4d-17614dc2b496/vigoxebigejowanoluma.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/571dcb83-8e21-47a5-b6b8-0714f5086560/forex_trading_fundamental_analysis_books.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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