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://druttle.ru/strik?utm_term=big+fish+movie+set PDF link annotation

  • http://eroganoficial.site/free_able_resume_templates_for_teacherseiemf.pdfIn PDF document text
  • http://nawavidosuk.medianewsonline.com/3rd_grade_reading_books_online.pdfIn PDF document text
  • http://fresh-ita.fun/ranipakef8lnr0.pdfIn PDF document text
  • https://lujututuvaribo.weebly.com/uploads/1/3/4/3/134339905/xemutijunesevi.pdfIn PDF document text
  • http://promooffer.site/cuantos_ml_hay_en_cm_cubicot4irx.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/microbiology_jobs_and_salary_in_nigeriappn91.pdfIn PDF document text
  • http://daimontimur.org/how_to_pair_jabral1rey.pdfIn PDF document text
  • https://cdn.sqhk.co/pubisifibuj/PItighb/mevinidodo.pdfIn PDF document text
  • https://jifigisij.weebly.com/uploads/1/3/2/8/132814194/c55ecf.pdfIn PDF document text
  • https://cdn.sqhk.co/mobirewin/cBifcib/lekitikavurunokupe.pdfIn PDF document text
  • http://lifeit.pro/worthy_is_the_lamb_piano_sheet_musich1hzm.pdfIn PDF document text
  • https://cdn.sqhk.co/zoxojuvef/jcnjeHZ/81360608357.pdfIn PDF document text
  • https://cdn.sqhk.co/tovisegag/z3cSTig/sisal_carpet_runner_by_the_foot.pdfIn PDF document text
  • http://prizinsta365.online/batteries_plus_campbell_springfield_mox0dy1.pdfIn PDF document text
  • http://clubstore.info/dell_c1765nfw_toner_originalca5ob.pdfIn PDF document text
  • http://zuvalasit.mypressonline.com/rovimipiwite.pdfIn PDF document text
  • https://vebokupamo.weebly.com/uploads/1/3/4/4/134494409/niwer-pifilaju.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com/ugd/83f04e_44bae4bc4d17449dbc6130ffcd81ae23.pdf?index=trueIn PDF document text
  • https://e61e9f85-32c5-4861-9fd4-b89109084c35.filesusr.com/ugd/2e4eb4_a77944d6bc97499f83cf8eb2d83af483.pdf?index=trueIn PDF document text
  • https://0aa989e7-076c-475f-bc22-fff5ae310860.filesusr.com/ugd/b44be6_1659110eef134afe85ffe692e330644f.pdf?index=trueIn PDF document text
  • https://ca30e0e0-ecf2-44ab-b6a2-fe26291458be.filesusr.com/ugd/34e21e_5a93b096dba24d29bae8191cd0357444.pdf?index=trueIn PDF document text
  • http://sulijugofogim.onlinewebshop.net/bipokukuba.pdfIn PDF document text
  • https://6552665f-f3ce-4070-9f47-7b493df4570a.filesusr.com/ugd/3d88c7_cd07594b084241168c966d310d790bdb.pdf?index=trueIn PDF document text
  • http://puvapulugo.onlinewebshop.net/buzininumifixirad.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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