Malicious PDF — malware analysis report

Heuristics 6

• 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 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://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/ncsh9is4dbh84bi933amtrv2uc/tuniva.pdf In PDF document text

  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a89d8a30f07---82223786798.pdfIn PDF document text
  • http://ciskmv.com/css/file/56277987723.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/5ac3bda37acb538a17d17b71966184f7/49275934158.pdfIn PDF document text
  • http://lobi.md/userfiles/file/wifuwokamubojomonunufajaj.pdfIn PDF document text
  • https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c17c36cd90---tiroruvenusebebadi.pdfIn PDF document text
  • http://abwcockeysville.com/uploads/files/nasigamabosorotitafekuga.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/4j45g6m10at5oifh75racjgbfg/rilumotepisugeropar.pdfIn PDF document text
  • https://clinicaveterinariacabianca.it/file/94796089955.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1b6c4113d---dibun.pdfIn PDF document text
  • http://sjhtractor.com/d/files/manabo.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/c76151e7c303dfe944ad80125a4b395d/70581576423.pdfIn PDF document text
  • http://ahsaipu.com/v15/Upload/file/202154647267076.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/29degdcqc0h0a0nqdqta24sl5h/23453600208.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/ce59d351952d2542998a0799f9737b82/41913284191.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/75686205484.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/midemekukiponogaro.pdfIn PDF document text
  • http://citra.cl/userfiles/file/75005900503.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094daf573c25---jexigerogolesafoxowi.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160741f887c8a1---17970183391.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/xefanugikoxevulolutes.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5c96649d2---81676970651.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160fa7d937d660---38224694027.pdfIn PDF document text
  • http://shriadinathbank.com/uploads/vakomebu.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/xilalijivarafudupud.pdfIn PDF document text
  • https://yellowstonewildlife.com/84548654572.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=collage+de+violencia+familiar+cortasPDF 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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