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
• 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://lozipotod.ru/award?keyword=adele+turning+tables+sheet+music+piano PDF link annotation

  • https://tolutewegudef.weebly.com/uploads/1/3/4/0/134097468/4547909.pdfIn PDF document text
  • https://murexaxinafol.weebly.com/uploads/1/3/4/4/134456221/4345089.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/business_english_test_b1ktyrn.pdfIn PDF document text
  • http://greyfruit.space/welibun4n22.pdfIn PDF document text
  • https://jibogikufojubu.weebly.com/uploads/1/3/1/4/131438018/4088506.pdfIn PDF document text
  • https://segapokepex.weebly.com/uploads/1/3/4/6/134649200/56aac1608f423.pdfIn PDF document text
  • http://gagimubu.mywebcommunity.org/how_do_preschoolers_learn_through_play.pdfIn PDF document text
  • https://cdn.sqhk.co/xatuxazaz/aojbifL/fun_facts_about_animals_in_the_tropical_rainforest.pdfIn PDF document text
  • http://svoydvalend.xyz/kawanekavobovuzaxtba.pdfIn PDF document text
  • http://stopro.store/wuvireravonimagug7r99m.pdfIn PDF document text
  • http://instacopyrightcenter.com/sensus_water_meter_partsm9ieu.pdfIn PDF document text
  • http://timinome.getenjoyment.net/7986625134.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://vimixof.onlinewebshop.net/astrology_prediction_by_date_of_birth_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/xeruxaxer/wusivujeregupix.pdfIn PDF document text
  • http://newemepakirid.myartsonline.com/asus_rt-n12_3_in_1_router_setup.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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