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
• 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://golowaki.ru/strik?utm_term=unity+government+definition+english PDF link annotation

  • http://fametasubub.22web.org/why_do_amino_acids_need_nitrogen.pdfIn PDF document text
  • http://povisowalikim.scienceontheweb.net/small_resize.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387226/normal_604e5e05f24b1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4469106/normal_5feff1f0db7b0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387410/normal_601bd332a4a13.pdfIn PDF document text
  • http://b4shop.icu/tazomukonafopijemttht8.pdfIn PDF document text
  • http://nariwunuzaw.scienceontheweb.net/duwogumubuwuvitapisamegut.pdfIn PDF document text
  • http://pawezujexas.mywebcommunity.org/betiruzugusutujibemulexa.pdfIn PDF document text
  • http://gatorama.space/warehouse_safety_meeting_topic5dpub.pdfIn PDF document text
  • http://bigchance.pw/2501971106ermwo.pdfIn PDF document text
  • http://vuvajujuli.mygamesonline.org/biology_notes_for_class_11_chapter_17.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369516/normal_603e7f3bcaf36.pdfIn PDF document text
  • http://topcreditmonitoring.info/pekujolekakezusuzefimamagmpgia.pdfIn PDF document text
  • http://shtampshop.ru/royal_mail_international_tracking_uksfe0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376852/normal_601a56d380c19.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://d1b33a7b-cde1-45d4-bc15-d4d3b6236ac5.filesusr.com/ugd/1d64af_31c1f79be29845dea17c4c38ef0287e0.pdf?index=trueIn PDF document text
  • https://caa91486-5fcc-43b7-8b2b-5b817ae85bbe.filesusr.com/ugd/26bbcf_9f0e72646e26420582a6aa1d029f18bb.pdf?index=trueIn PDF document text
  • https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_483784d1b82d46d3b189dc8fbf80cb5e.pdf?index=trueIn PDF document text
  • http://weforonezanofo.epizy.com/what_give_one_word_answer.pdfIn PDF document text
  • http://rususekobijo.myartsonline.com/kelebihan_dan_kekurangan_model_addie.pdfIn PDF document text
  • https://81d89a68-18ac-4cf1-ad00-ddd5d2f7da41.filesusr.com/ugd/ed58ef_2445473bac2848caa98a28dcc469292c.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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