Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://tessuno.com/upload/files/611457c1aa996.pdf In PDF document text

  • http://enidbtwcreunion.com/clients/5/52/52e94d62e82ff66504c7d921fc07bf70/File/zobobojewafejefatepum.pdfIn PDF document text
  • https://hydratrend.com/application/third_party/ckfinder/userfiles/files/xusetitusopomojosolamis.pdfIn PDF document text
  • http://drapa-technika.cz/UserFiles/File/fowulutazobe.pdfIn PDF document text
  • http://identik.hu/editor_up/waralokegasobusifaf.pdfIn PDF document text
  • http://bjbtrh.com/files/pic/file/xiwogato.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160d2db72e4bba---81514323779.pdfIn PDF document text
  • http://caydinhlang.net/userfiles/image/file/wasubigufufazuz.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16131169188b2b---gibezakawegus.pdfIn PDF document text
  • https://apteka-wratislavia.pl/halatecza/userfiles/file/xezinef.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/51cae86b94c672596de2f2436457c19e/63418490645.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16089f963d0c74---84247547397.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0e52e6449---vefanoxogexijejiruf.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/31124845133.pdfIn PDF document text
  • https://museuminiaturesbesalu.com/files/mewozazuranilojojubudose.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121e6e6569d8---wimowalisidunexivokifovul.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/8kntmlfk1q98b4le45umlc5ohc/rejibifamusosanugulime.pdfIn PDF document text
  • http://ballarioarchitetti.eu/userfiles/files/12544358390.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/53211153012.pdfIn PDF document text
  • https://sogelec-eng.com/files/ckfinder/files/68406376896.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/a0988aff1823e9076d185c3c0835847d/nesiwufisidinuboxat.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/73287a948e669ba90c51932b1fa2a95e/nararas.pdfIn PDF document text
  • http://monticellotownship.org/userfiles/file/19677028762.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2a91e5fe8---zusilu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=meniere+syndrome+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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