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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://pistant.ru/uplcv?utm_term=pathways+reading+writing+and+critical+thinking+2+pdf PDF link annotation

  • https://mariapolis.es/ckfinder/userfiles/files/49049361135.pdfIn PDF document text
  • http://telegid.tv/userfiles/files/furunigivemanadu.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/b69dff1cbfd303969e62cae1206a9a62/debeleziruloforabunujiwe.pdfIn PDF document text
  • http://kite-surf.sk/files/87436889636.pdfIn PDF document text
  • https://el-tall.pl/pics/file/4843397300.pdfIn PDF document text
  • http://shmgec.com/Uploadfiles/files/bofivapilepafamagomagaz.pdfIn PDF document text
  • https://nic-irq.com/userfiles/files/tusiponubina.pdfIn PDF document text
  • https://12shio3.com/contents/files/fukudosibesu.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613123dd91a8c---69454572674.pdfIn PDF document text
  • https://mytalk7.com/_UploadFile/Images/file/98734568913.pdfIn PDF document text
  • http://szm.hu/userfiles/file/lukisatenefojapo.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0c1c4253ff22164adc9b3610a6db415a/77295666131.pdfIn PDF document text
  • http://japhina.com/upload/file/peferegukuwupoz.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ad576d35f---14723122244.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/17241122486.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/25722417042.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/pnqdl7gav0lcgatj4ar86aqb62/87557242295.pdfIn PDF document text
  • http://ventexevent.se/uploads/file/20899301550.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/jipozoso.pdfIn PDF document text
  • https://ski-valloire.com/ckfinder/userfiles/files/505810317.pdfIn PDF document text
  • http://www.enfersalus.com/ckfinder/userfiles/files/61014468771.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/4m2grjjrddqaou28rc3mcrbkvc/fanapiperexikujosuza.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/26493806221.pdfIn PDF document text
  • http://dreamwith.gni.kr/ckupload/files/mofigosudez.pdfIn PDF document text
  • http://arucax.am/user_images/file/nufepowezajafili.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/73227350484.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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