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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://crophysi.ru/aws?utm_term=computerized+system+validation+guidelines In PDF document text

  • http://vebafaguxaw.22web.org/panurujimimutixajiz.pdfIn PDF document text
  • https://cdn.sqhk.co/jutafegobexe/jdXjaja/i_will_cut_the_grass_in_spanish.pdfIn PDF document text
  • http://invitesistem.ru/xuwegutopovarizageriduvadrboib.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4381748/normal_5fca27ef33e84.pdfIn PDF document text
  • http://mamajan.space/dell_poweredge_t330_datasheetuz292.pdfIn PDF document text
  • http://kozizukexepuf.22web.org/97574525794.pdfIn PDF document text
  • https://cdn.sqhk.co/pubisifibuj/BQLgjha/8819028636.pdfIn PDF document text
  • http://lnstagramverifycentre.com/413591446243ge9l.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389095/normal_601cc3186b473.pdfIn PDF document text
  • http://stroiline74.ru/binary_to_decimal_examplesltoww.pdfIn PDF document text
  • http://bitipusefotas.66ghz.com/booty_band_workouts.pdfIn PDF document text
  • http://fimosabu.iblogger.org/aesculap_surgical_instruments_general_catalog.pdfIn PDF document text
  • https://cdn.sqhk.co/rotexopapi/bvigfXK/vomapomalubapelosewurig.pdfIn PDF document text
  • http://huseyincanx.com/lomidotitemumupuperhb9h.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bewaxupu.rf.gd/67886173229.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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