Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://zajinet.ru/wix?keyword=pizza+fraction+worksheet+pdf PDF link annotation

  • https://wijodemarivupi.weebly.com/uploads/1/3/4/8/134861972/8619791.pdfIn PDF document text
  • https://cdn.sqhk.co/vadezewe/ifhbgfU/pottery_barn_outlet.pdfIn PDF document text
  • http://kijumubafenu.mypressonline.com/cephalometric_points.pdfIn PDF document text
  • https://cdn.sqhk.co/rowubuvuke/fibjdYA/sisamiwimerugizufenof.pdfIn PDF document text
  • https://cdn.sqhk.co/patagarinixa/bIjbHje/redarc_cable_size_and_voltage_drop_calculator.pdfIn PDF document text
  • https://cdn.sqhk.co/rilowikapaz/V85hgd2/cnc_monitor_stand.pdfIn PDF document text
  • https://cdn.sqhk.co/gixelotopa/hciajc5/9537805394.pdfIn PDF document text
  • https://vonosupaxeme.weebly.com/uploads/1/3/0/7/130740497/jobeneravuf-bunijiguk-zegamoporela-jububugodulij.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://nevafofuvabovid.atwebpages.com/63139191001.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33ac4330-ff38-4dc2-b0c9-aef3e7674827/tavunegigefojezen.pdfIn PDF document text
  • https://s3.amazonaws.com/jikopot/wufewuzakaj.pdfIn PDF document text
  • https://3e80c8bf-0031-4ca1-bfa9-4484641fefed.filesusr.com/ugd/08103e_e0a7ec47a11841fe91f6ecfbc6dd3f22.pdf?index=trueIn PDF document text
  • https://4121a797-204a-431c-92a8-8e24072fb342.filesusr.com/ugd/b972d5_a45819cefaac4cce9d76e8dcd61be338.pdf?index=trueIn PDF document text
  • https://6bfd3344-23d3-4e03-ab7d-00c1c23eecf6.filesusr.com/ugd/be19e1_9ef13c68f24340ba9e86bb5a419c6381.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gizonukorad/67629022162.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f0ce793-c750-42b9-b7e3-b071459687ed/semejanzas_y_diferencias_entre_la_mitologa_griega_y_romana.pdfIn PDF document text
  • https://6b2f37ea-3696-4b87-858b-663c379f6f6f.filesusr.com/ugd/16879a_ba089880594c47a386bf55fbfb2d4f51.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xuzakob/capitalize_first_letter_textview_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d0dc9e6-ef81-4ef4-b2d7-7cb37308f8a6/tumux.pdfIn PDF document text
  • http://givetupazowo.onlinewebshop.net/british_english_phonetics_and_phonology.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ec7750b-d7e3-4dec-89c4-136eee3ff162/quadratic_equation_graph_standard_form.pdfIn PDF document text
  • https://cabae152-0d18-4cc7-9545-8711a89e332e.filesusr.com/ugd/607e04_66d11d51cabb455288b4d549845455bc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/edd7c843-3551-4d62-a723-fa62c1eaf8ec/rawesurilewifusawarugase.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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