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
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://lugigotaxur.weebly.com/uploads/1/3/0/9/130969655/6920761.pdf.
• 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://jacksth.ru/wix?keyword=abo+and+rh+blood+groups+worksheet+answer+key PDF link annotation

  • http://giveaway2020.info/catavento_uniformes_uberlndia_mgafuvf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443325/normal_6009d0d5ed57f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470679/normal_600c70946d8c5.pdfIn PDF document text
  • http://cafe-cok.ru/readworks_a_well_kept_secret_answersp57we.pdfIn PDF document text
  • http://taptopbot.com/namoxezinmbl6i.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4502698/normal_6027be14a5461.pdfIn PDF document text
  • http://madoxorijegobe.sportsontheweb.net/gipujutizidot.pdfIn PDF document text
  • http://momentshop.space/pekaraxidikenoxumno.pdfIn PDF document text
  • http://tiktokhd.design/baseball_t_shirt_design_templater6e55.pdfIn PDF document text
  • http://gufutaca5.xyz/catapult_king_apk_mod_revdl6m7fn.pdfIn PDF document text
  • http://milky-rp.space/c_multiple_choice_questions_and_answers5ptma.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450870/normal_6019d50923aa4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485176/normal_5fe6aeb94d15a.pdfIn PDF document text
  • http://legko.travel/jowikixerupakebotorw95dg.pdfIn PDF document text
  • https://lugigotaxur.weebly.com/uploads/1/3/0/9/130969655/6920761.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/81894064481nkttz.pdfIn PDF document text
  • http://lnstagram-helping.live/factorio_free_download_full_macla9ab.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://xuvekixofeku.onlinewebshop.net/lg_lfx28968st_ice_maker_parts.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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