Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://maypoin.ru/award?keyword=difference+between+sql+and+mysql+and+oracle+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4370264/normal_5ffb430a390f5.pdfIn PDF document text
  • http://xunajoza.22web.org/pidowovo.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4427821/normal_5fcb987d21735.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4449205/normal_5fee80dc0cc94.pdfIn PDF document text
  • https://cdn.sqhk.co/gajerivab/jb4Tjfq/computer_organization_and_assembly_language_book.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470401/normal_601bdd295efc9.pdfIn PDF document text
  • https://cdn.sqhk.co/givogaduta/jetijia/99554051807.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/442b741b-9609-4f7e-8516-25ee1c8078ce/how_old_is_deepak_chopra.pdfIn PDF document text
  • http://tumuxisirawev.rf.gd/hospital_complaints_letter_template.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46b275ce-8bd2-4266-8d9b-fee361d770ff/find_the_difference_hidden_objects.pdfIn PDF document text
  • https://4ef57e19-9a2e-4e6f-a444-f6b59f982a39.filesusr.com/ugd/4c1554_0d2828b8548b4501a7191c189aed48af.pdf?index=trueIn PDF document text
  • https://9eb5ee95-128e-4115-bcd6-d8db8525ce49.filesusr.com/ugd/9904c2_9bb36d14545142da8d7909bf0fa147fd.pdf?index=trueIn PDF document text
  • https://334e481f-4595-4613-8514-cf1b68b0f675.filesusr.com/ugd/a5bb32_56426f2221af40c9bb9192c721dfcdf5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/dff51400-dcdd-4ca6-849b-b8108f6ed6b9/mukuxunuwominabule.pdfIn PDF document text
  • https://5da1c7d8-01c4-4175-bbf8-c25915566394.filesusr.com/ugd/1084fb_374bdc2d319944c1959ea454cbde08d3.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3628f71-eeb6-4c4a-aec7-62be9b760e5a/how_much_is_a_razor_side_by_side.pdfIn PDF document text
  • http://pixoriwabivonol.rf.gd/xixifumikalezobu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5839a3de-660b-46ee-a335-7babfb66f1bb/42651504540.pdfIn PDF document text
  • https://856cb5e6-6c81-45ce-9604-b57907a15cd2.filesusr.com/ugd/cc3ca9_42b1d063b8924a19807321264e1bad9a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d9a1db4-34ed-4561-a7d9-7d358f5f70ff/who_is_the_finest_person_on_earth.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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