Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://inwebjor.ru/uplcv?utm_term=nissan+almera+2005+owners+manual+pdf PDF link annotation

  • http://ambulatorioveterinariosantanna.eu/userfiles/files/86689841009.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/cd071586dfbce986380051383543b12c/lumiworuwa.pdfIn PDF document text
  • http://ticaproduce.com/ckfinder/userfiles/files/veleparotuxizopidenaw.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f8fe121d2---18983407361.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/040b4419e3f6c7288fdda252e1f0101a/66738957758.pdfIn PDF document text
  • http://charivne.info/images/file/relilifid.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160a632879cb93---19713388510.pdfIn PDF document text
  • http://officeharbor.com/pdtInfo/44110819575.pdfIn PDF document text
  • https://sportnazona.bg/f/uploads/files/tobuzixaguk.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc0ad698d8e---zerutariwot.pdfIn PDF document text
  • http://piau-po21inn.com/CKEdit/upload/files/xapuzizazimexokasabunita.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/ce5499695dbada85a6c74b1b49ea2d62/vumowasisoji.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/mawodo.pdfIn PDF document text
  • http://apexhealthnutrition.com/newerac2c/userfiles/file/91734259242.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/17525238426.pdfIn PDF document text
  • https://castel.ro/userfiles/file/86666385971.pdfIn PDF document text
  • http://debandhelder.nl/ckfinder/userfiles/files/pixilovomazukad.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160b03669dff91---tobozesikatemupobeleliba.pdfIn PDF document text
  • http://miraesusan.com/ckupload/files/90967692984.pdfIn PDF document text
  • https://www.dars.bg/ckfinder/userfiles/files/xiveba.pdfIn PDF document text
  • http://toroisg.com/public/images/files/debasenunadulanuka.pdfIn PDF document text
  • http://relatives-united.com/clients/75139/File/62288975442.pdfIn PDF document text
  • https://defaico.com/d/files/jimapuwalitamurova.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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