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://nipisod.ru/123?utm_term=linear+programming+word+problems+with+answers+pdf PDF link annotation

  • https://pujosudenavi.weebly.com/uploads/1/3/4/5/134508056/7055007.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4443578/normal_5fd0617696fd1.pdfIn PDF document text
  • https://fuxarudoniw.weebly.com/uploads/1/3/5/3/135350341/dufuvapijexav-lovedesosukep.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471692/normal_60380bc53178c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391047/normal_602c81fd27059.pdfIn PDF document text
  • https://wutesubigu.weebly.com/uploads/1/3/4/8/134893167/4701971.pdfIn PDF document text
  • https://fofuxexofinob.weebly.com/uploads/1/3/4/7/134717506/f2b7a6c9.pdfIn PDF document text
  • https://zazokovorif.weebly.com/uploads/1/3/4/3/134321981/7e07625b871a91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426263/normal_6068b06c711fa.pdfIn PDF document text
  • https://gexawagezawa.weebly.com/uploads/1/3/2/6/132682787/5790638.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383467/normal_603aee47c46f9.pdfIn PDF document text
  • https://donabetolemi.weebly.com/uploads/1/3/1/6/131637402/xorasopir-pezobevatakab-zopojujiwenot-wumaw.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393898/normal_5fe0c11a00dfc.pdfIn PDF document text
  • https://dobizonetalede.weebly.com/uploads/1/3/5/3/135394553/1868119.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/c216ca97-84c6-4b09-ba93-7deea5aae8e0/11025472088.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1423c482-01d1-45b0-a30e-858d8a3c399f/2007_freightliner_columbia_radio_wiring_diagram.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e2d92e7-3fde-40c7-9e31-98c11205abab/why_wont_my_toshiba_fire_tv_remote_work.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d142cad-d1c3-4672-a17f-acd962a42af8/what_are_the_two_longest_rivers_in_north_america.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25f1d127-d4f6-428f-9a57-1d68582326fd/shepherd_the_flock_of_god_april_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d93d915-f8f9-4ea4-8103-34cfa0468df1/arkansas_driver_license_test_study_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3577fb64-1e61-4d1d-aba9-468516644069/pafizijoruderus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dc613c1-4b6e-4f34-a235-832a357b777d/33344611358.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54a10254-7a44-426c-827c-f93defd31dec/53687349081.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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