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://crewmak.ru/uplcv?utm_term=how+to+prepare+for+a+english+language+exam PDF link annotation

  • http://pngroup.pl/ckfinder/userfiles/files/32200313182.pdfIn PDF document text
  • http://ruresept.ru/files/file/87458519662.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/bu7rr4ni9qbm7ptr28m6d2m8pm/sajujozokodujaju.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/natavabojate.pdfIn PDF document text
  • https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/47717202856.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/0sg96akbutgsvrtoqjh3nmceh3/nugelotudidokigusado.pdfIn PDF document text
  • http://valkexclusief.reviews/app/webroot/files/userfiles/files/41337925646.pdfIn PDF document text
  • https://dunaweb.co/bg_image/files/sakusasarovafejuvezida.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/1e24bb60ba5383c659a078f75e0053b6/23397247391.pdfIn PDF document text
  • https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/paposuwun.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d022153eb92---76646195201.pdfIn PDF document text
  • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1626121596.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a203c2eed85---41545638513.pdfIn PDF document text
  • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/7d26898ce2f644f04b0b1e977b59f97e/41333343181.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5fa15febd---69907341744.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/b43b70aa7e6a2efcd9860119a43b8135/52827253067.pdfIn PDF document text
  • http://topas.lt/userfiles/file/57250484470.pdfIn PDF document text
  • http://banquat.com/userfiles/files/10070051100.pdfIn PDF document text
  • http://ristoranteibucanieri.it/userfiles/files/dilunagiko.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8294b5e86---nidilapaxiwozebosu.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/e3c127e45aafcce044e4423ebc65b1dc/54169732140.pdfIn PDF document text
  • http://buchtel1967.com/clients/26382/File/83854016403.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2531578df2---24812373323.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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