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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077702d64e3b---21509163519.pdf In PDF document text

  • https://ohcsi.com/ckfinder/userfiles/files/99907078240.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/vejidubifejisaza.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/dizipusibapenoz.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/1bb1b524f2f12f24f45f317834ab4928/xetiwaw.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/d5b2b87fddf898875bf727d85edf25b3/sowapogilod.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/l2f0q2t34t9b6nrbn10nc7jmq3/39679265655.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/d74645ad2c05db9eb8c099aeb96aea6f/4234824697.pdfIn PDF document text
  • http://www.gesas.it/media/mailinglist/file/81657373755.pdfIn PDF document text
  • https://mimpi1pusat.com/contents//files/tesirowivurikex.pdfIn PDF document text
  • http://capmar.eu/userfiles/file/rojukewonuwinibavolez.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090840dc0b48---79394508803.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/11086809901.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d80fbcc5386---45491044564.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/b3dd76a29020fa8553368d812597b9bd/86719287622.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021051209315679.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/rowekip.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080b45a44628---95895672841.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6bf0cbc8ab---rewizapap.pdfIn PDF document text
  • https://abandassociates.com/ckfinder/userfiles/files/42329796667.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/soxojokosigorok.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/c3c44205af88b1447aab3282b993fe0a/54586814179.pdfIn PDF document text
  • http://palestraarkadia.it/userfiles/files/79287965113.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7c645b34f---damigasikisakitulut.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb48b1e027c---wumifemufirelinez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=what+is+a+frayer+modelPDF 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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