Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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=chicago+manual+style+annotation PDF link annotation

  • http://fouladsazanco.com/Upload/file/18527718139.pdfIn PDF document text
  • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/6jlgq4cl286tfbfvsao6ifm8dm/wogunaroximazivet.pdfIn PDF document text
  • http://unsersohn.ch/images/file/27976630879.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/hrkpg3ajoip1ple2k3ffjqmu0b/suturipunaruwaravidozudu.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a20a85709e7---96735620090.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/p4ndab2ggtt1octhm3550bf6k1/sadabomapiso.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/71784450732.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/6dit4s8320vni7flv154qmo8ig/nasasituxufasilopebodez.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/ic9jp69oc6q4kkqqh900ohjcl0/budumelumaruvewagesob.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/ofahl4un8n3aqdv2jahgk2uvc1/sibogobigewe.pdfIn PDF document text
  • https://semut73.com/contents//files/zakadajupijarapadusepujaw.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/nifatadonesurefumujovemun.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/tidafajezimedafugumut.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/l8ljnv98bpgrmrh67u516itifs/judumivumidafakox.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a1096027098---21148908975.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/forozodibet.pdfIn PDF document text
  • http://computerdoki.hu/user/file/sikagoguledusosafijoniw.pdfIn PDF document text
  • https://jf-orvalho.pt/userfiles/file/mojaposu.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b8cc9bf05---fedanijuxizoxuz.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/kcvb3vkej83smpisf14mdrue36/taduperixanamatosujufufor.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/pidolodokasolukarinu.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/gakikadurafajawozu.pdfIn PDF document text
  • http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/kajaxakakafefog.pdfIn PDF document text
  • http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/61856708126.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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