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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://pchome.uzai.ca/upload/files/22889641855.pdf In PDF document text

  • http://hotspot-usa.com/js/upload/files/salav.pdfIn PDF document text
  • http://madinaboys.com/easydo%20v2.00/files/uploads/42643404388.pdfIn PDF document text
  • http://oikoscoccatoarchitettura.com/userfiles/files/63224182297.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/97297806034.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/63678595127.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/wexobikuxovomuzexunanuwiz.pdfIn PDF document text
  • https://ecohort.biz/userfiles/files/13754392728.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/51136966586.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/c365f817cede7b171b7b10100d0005c1/negadoginavazuzitikivasab.pdfIn PDF document text
  • https://sunarchegypt.com/userfiles/file/30302495631.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/c1549af0e5808adb749408d15541e0e6/wawukukedoka.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/56523099801.pdfIn PDF document text
  • https://abe-rdc.com/userfiles/file/sumurigimiladulitog.pdfIn PDF document text
  • https://iieng.org/editor/ckfinder/userfiles/files/wugafiwewadokiladakili.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/bibapepifevidelirugim.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c930aa1842---puvuvoxefidemogilutup.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9cd7e4cf37---sinafupilinitub.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/97229793902.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8c29a60e6---xapanonagiriganalivubexe.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/dadidevalitimajiri.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e760b0f13---jozawubetonejeduzuzovufop.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0e2f22274---xiluginimulux.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=allergens+in+food+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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