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
• 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/award?keyword=mathematics+book+for+gate+exam+pdf PDF link annotation

  • http://instacopyrightcenter.com/asme_y14._5m-_1994_freel9kfr.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384644/normal_60366ab18dbb1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402933/normal_602a245ab3833.pdfIn PDF document text
  • http://cardioactiveitalia.site/pewilunifegegamuderutkj5i.pdfIn PDF document text
  • http://cartest.pro/signo_de_babinski_positivoh8h6p.pdfIn PDF document text
  • http://yewes.fun/470976368870v4s2.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://855e1e5b-0daf-4dce-aa73-dfad2bfec5df.filesusr.com/ugd/ced2dc_c349946a7d114393be80e0933cd75643.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/wovugi/responsible_answerable_crossword_clue.pdfIn PDF document text
  • https://s3.amazonaws.com/tokatefozude/ajmer_sharif_dargah_hd_video.pdfIn PDF document text
  • https://69f6cc44-9198-4e41-bafa-43503dba92bf.filesusr.com/ugd/dec231_0866b84d5b9947d3b92b3351ff7d9c55.pdf?index=trueIn PDF document text
  • https://1c92f6d8-19eb-429c-9239-1cf6be91372f.filesusr.com/ugd/cc1a03_90890b1d08ce4e26a18f51737bd44dc6.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee7f7838-cf17-4cbf-8ab9-4039544cdf27/how_do_you_find_number_of_atoms_in_a_compound.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23e3665d-cc2f-491c-acd9-2fd18e60a179/63951465021.pdfIn PDF document text
  • https://42190e62-4dca-482d-a077-ae7b222d7779.filesusr.com/ugd/b91392_6db91b6046334e10aa10939f900db919.pdf?index=trueIn PDF document text
  • https://e0220c8c-c322-4c33-af83-7c5b0fe00b66.filesusr.com/ugd/a771bd_87702046f8254b35b3b2bcb751e25e9b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/51de6aaf-66be-4518-b278-63173ca011d2/49465526660.pdfIn PDF document text
  • https://s3.amazonaws.com/sonutopexaramuf/integrated_mathematics_3_volume_1_answers.pdfIn PDF document text
  • https://13a7c488-548c-4b48-b567-d2b0b9a3e1de.filesusr.com/ugd/85d67f_22656295396549949440e6e5d87c14ec.pdf?index=trueIn PDF document text
  • https://71e5fc8e-cc9a-4633-96c3-2c70acd464d0.filesusr.com/ugd/f08e01_0f61399524bc40e29d079e400fc95d6d.pdf?index=trueIn PDF document text
  • https://53860ffb-5975-4088-b838-5c82367c2827.filesusr.com/ugd/0d2908_44e6801a94184093870e12c426fa966a.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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