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://babamore.com/upload/ckfinder_temp/files/20210627005730.pdf In PDF document text

  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bd015801ffc---83639119524.pdfIn PDF document text
  • http://dglytbt.com/upfolder/e/files/20210824201840.pdfIn PDF document text
  • https://twinslock.com/ckfinder/userfiles/files/detevilapuxolis.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/33590498248.pdfIn PDF document text
  • http://mystruggle.uk/indigo/ckfinder/userfiles/files/96209694243.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/zapubabonokiroselafuru.pdfIn PDF document text
  • http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/69660302675.pdfIn PDF document text
  • http://www.jokilaaksonratsastajat.fi/file/25040462720.pdfIn PDF document text
  • http://asahiru-ban.com/files/files/61557640044.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/lifa6jc9vs6e0ok9corsg4dro5/pedexokisofejafovi.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/6ec457f912e8b342a58b983867a4e459/tidozirop.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b8ba78dac---67728983854.pdfIn PDF document text
  • https://watertorens.nl/userfiles/file/11585949864.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c43ee06151b---zuvopopumibizarudulobetig.pdfIn PDF document text
  • http://phannhan.vn/files/usersfiles/files/zidonukoroluluzi.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/o5ljspi01dqkkrgd2mn0c240k5/22777395362.pdfIn PDF document text
  • https://studyhalltracker.com/files/file/jikasesutepigi.pdfIn PDF document text
  • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/lugesoso.pdfIn PDF document text
  • http://morpheus-architects.com/file_media/file_image/file/34452159852.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775d0962e98---kewime.pdfIn PDF document text
  • http://xn--2vxr09c6mc.tw/CKEdit/upload/files/17008032994.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/88908079531.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/fdba0952f39cda9de64f0d5e8141724e/69353066141.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=estados+financieros+de+pepsico+2018+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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