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
• 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.
• 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://jottigo.ru/wix?keyword=vowel+digraph+worksheets+for+kindergarten PDF link annotation

  • https://pobivizitonep.weebly.com/uploads/1/3/2/8/132815986/8236295.pdfIn PDF document text
  • https://bopelesi.weebly.com/uploads/1/3/0/8/130874615/4850857.pdfIn PDF document text
  • https://radigaligoled.weebly.com/uploads/1/3/4/3/134333621/92f40b2d92f3b.pdfIn PDF document text
  • http://ouily.xyz/bradesco_net_empresa_mac47nmy.pdfIn PDF document text
  • https://gepavemu.weebly.com/uploads/1/3/4/8/134861499/tojabonotano-sakit.pdfIn PDF document text
  • https://mavezuwunokil.weebly.com/uploads/1/3/4/6/134627141/5c43e99481a5.pdfIn PDF document text
  • https://jitolubupiloz.weebly.com/uploads/1/3/4/6/134637312/saxufuxabeburegumunu.pdfIn PDF document text
  • http://istlan.fun/international_kangaroo_linguistic_contest_2017_answer_keyi9bvq.pdfIn PDF document text
  • http://bettermoneytips.com/comic_powerpoint_template8ry0p.pdfIn PDF document text
  • http://allwoman.site/72165977325z6b5b.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/7a33f493-1940-4763-b16c-f3a395ed27a2/philosophy_and_the_mirror_of_nature_reddit.pdfIn PDF document text
  • https://s3.amazonaws.com/tujeviwakirawu/luputakagunafopitajo.pdfIn PDF document text
  • https://s3.amazonaws.com/kobivimelelo/brgovt_full_form.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c13b875-023b-456f-a480-3689b49da037/hnsel_und_gretel_film_netflix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4becfa44-35d9-4828-8b3b-75c9351b233b/traductor_google_ingls_espaol_pronunciacion.pdfIn PDF document text
  • https://336ddc11-c37d-4cd6-9685-7accad2975f7.filesusr.com/ugd/479fa9_9da222f9912a4beca46b169bc2f0d518.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/fb949bb4-ce83-42aa-9591-85671a435d30/ionic_compound_worksheet_answer_key.pdfIn PDF document text
  • https://f238abdf-92e3-4651-90df-65b6e8a648d9.filesusr.com/ugd/99965f_8fafd5362810448bbcbf1907dd30abe4.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

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