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://laborke.ru/uplcv?utm_term=genetic+algorithms+and+machine+learning+for+programmers+pdf PDF link annotation

  • http://wyadonline.com/userfiles/file/rupivuxunovagunuta.pdfIn PDF document text
  • http://lehnerkom.de/images/uploaded/file/banumonugavop.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16141c7c0d14c3---nadojenezonuxokurepujo.pdfIn PDF document text
  • http://stavo-bazar.cz/userfiles/file/zupalejapexopid.pdfIn PDF document text
  • http://rbc-bezorgdiensten.nl/upload/97712938294.pdfIn PDF document text
  • http://f-kcc.jp/user_data/userfiles/files/muwale.pdfIn PDF document text
  • https://eliteplacementagency.com/uploads/files/35609467853.pdfIn PDF document text
  • http://istanbulballoons.com/ckfinder/userfiles/files/5978256053.pdfIn PDF document text
  • http://konyanincigkoftecisi.com/userfiles/file/fanatexemetazanapovin.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/kolanapovesejele.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/tugigagupimere.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd2fd22567---14685977062.pdfIn PDF document text
  • http://klgd.spokoino.ru/i/upload/files/sabigezonekoluwagixovokax.pdfIn PDF document text
  • https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/18543518086.pdfIn PDF document text
  • http://rydelko.eu/userfiles/file/39635491885.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/mexiwubukojoganizadujaxo.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/pirevejixejubufusuzobi.pdfIn PDF document text
  • http://biogenetec.tw/image/files/20210905_091626.pdfIn PDF document text
  • http://hanifeugur.com/image/files/setelapibemenanepif.pdfIn PDF document text
  • https://myreply.mobi/snappshott/editor//file/4366675256.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ece42989cd---xutuzenulave.pdfIn PDF document text
  • http://jca-t.com/fck_image/file/2514614207.pdfIn PDF document text
  • https://unosms.us/userfiles/file/24758197266.pdfIn PDF document text
  • http://agenziaimmobiliarecannavo.eu/userfiles/files/xisizolitobed.pdfIn PDF document text
  • https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/mozedowona.pdfIn PDF document text
  • http://mq-water.net/upload/lobidigojapewafibusilunab.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 extracted file (font_00_sfnt_off0000c4ec.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c4ec.bin)

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