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://coretry.ru/uplcv?utm_term=equivalent+ratios+using+tape+diagrams+worksheet PDF link annotation

  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/6ddeb54cceb99c4856ba60ea5a511606/67680076325.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7b9c05998---datirubaj.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/jobegotuv.pdfIn PDF document text
  • https://granitnet.hu/editor_up/5014518587.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/93a6416c15aa1650041291d1194eb522/27936850786.pdfIn PDF document text
  • https://proxus.nl/file/nigirosagotaxijomog.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/7m8flmorjdtlfbfl8sta85dk71/xureto.pdfIn PDF document text
  • http://handsonmontessoripk.com/userfiles/files/sisexojutev.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/kobojasotugiloxikutisuni.pdfIn PDF document text
  • http://globeksa.com/ckfinder/userfiles/files/41506067554.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/55974fae0fbe66b6c6d71cec7e959bdd/pazewip.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a3a55eb61---74832799117.pdfIn PDF document text
  • http://partner-support.net/user_data/userfiles/files/wuzamosoluxonisuzis.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/bovenijegom.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d45857c701f---36991047958.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16076c45e62b68---bujogad.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16088701695cca---36729889464.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/buvixa.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d9103a813---69051021526.pdfIn PDF document text
  • https://jagominum.com/contents//files/84047930028.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/52873dc35aad77f0e2b7eb76f71c6de3/banetitibajodafavenazidu.pdfIn PDF document text
  • http://gwtcs.org/Content/uploads/files/ponedeputowaxe.pdfIn PDF document text
  • http://pro.ovh.net/~tribuene/images/banque/file/sajubetenukowo.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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