Malicious PDF — malware analysis report

Heuristics 7

• 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 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.
• 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 http://mtcnx.com/upload/fckimagesfile/ruloxonilajix.pdf In PDF document text

  • http://hkt-optics.com/hkt/images/userfiles/file/48553166482.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f2e05cb7729---tifikok.pdfIn PDF document text
  • https://anyimaker.com/upload/users/files/66806116150.pdfIn PDF document text
  • https://rieker-consulting.eu/files/file/23041471773.pdfIn PDF document text
  • https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/69718136360.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/bufixuponozudusiwug.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8d1dbc7ac---zasijaxutupixagewidol.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/a1413479695ec9e0c3ce7a5fa37936d2/murijob.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/ed87c8a1975c5abda7145485acf6c216/kutuzejereraxuvunoze.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/33c2bfe40d57f60b1e3d5f4690357688/15545556769.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/jakavodarilataxidinejeb.pdfIn PDF document text
  • https://ceccarbotosani.ro/userfiles/file/gozebizijogovaledunemut.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e12398b295---gazag.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/40847908113.pdfIn PDF document text
  • http://nhungbaithuocnam.com/img-tvdl/files/ximaxux.pdfIn PDF document text
  • http://yoshitomo-kokubunji.com/jcfiles/file/sexebomudusulanikuzokam.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/qvefg9ol6ko25f4olv4rv8qkgu/38157020442.pdfIn PDF document text
  • http://tcsm62.org/uploads/news/file/11850413918.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/gh7tb14msbt8a8u8pij5lkkn07/64068190639.pdfIn PDF document text
  • http://aqcons.vn/upload/files/96185203202.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bab57eb131c---29038322978.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/21010464972.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/tm6uvnqjujsod5u6kmvau6ap0r/46970314979.pdfIn PDF document text
  • https://spiuruguay.com/ckfinder/userfiles/files/xefoxajele.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=matrices+and+determinants+class+12+ncert+pdfPDF link annotation
  • 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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