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://jacksth.ru/award?keyword=how+to+replace+oven+door+glass+samsung PDF link annotation

  • https://cdn.sqhk.co/migazajigum/jjUqcij/my_little_farmies_mobile_tips_and_tricks.pdfIn PDF document text
  • http://tipatav.22web.org/leveling_guide_priest_classic_wow.pdfIn PDF document text
  • http://rkconstructionsucks.com/45402901401fvvxi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404512/normal_5fd7a1b263e9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4503787/normal_602e3895c904b.pdfIn PDF document text
  • http://kopavavabigi.66ghz.com/orc_warrior_leveling_guide_classic.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413005/normal_5ff59bc407451.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367621/normal_5fe99d4234d98.pdfIn PDF document text
  • http://vodoroding.info/wilazamodimuvadokomagififojmwf.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415331/normal_60039fd9c9bdd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379964/normal_5fd328ed9017a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/kovozenamofox/l._a._times_crossword_puzzle_answers_today.pdfIn PDF document text
  • http://gofudawaropuz.epizy.com/85003763356.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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