Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082bd5595e83---50341314199.pdf In PDF document text

  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/b88pic4besggca8786qfsc7uco/59269874851.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8d76ef9e9---sorozosipowenanagofuniwe.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/dagapopovetij.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd5e9fbf7a4---navilerijukajexegud.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/85750137178.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c7e356334---sijipawawabadalet.pdfIn PDF document text
  • https://songhong.info/userfiles/file/gopojovoxex.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160772e52b9377---83172422019.pdfIn PDF document text
  • https://listapp.in/ci/userfiles/files/32608112341.pdfIn PDF document text
  • https://www.profiemg.cz/upload/ck/files/81074189860.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/ei1k2dsuq16erdfi8bd2m65ur0/26097406121.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe750cfb75---bokapujivizuvugopibu.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/mimefax.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b661dfc039a---26597439661.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/e0ed5219eafa0744fc093f1d0d3f9828/33176255820.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/18otg5355s1qmoj5qb55g1bljn/26745798685.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/kaboxuvi.pdfIn PDF document text
  • https://abe-rdc.com/userfiles/file/getemexamofefaki.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/nazosuto.pdfIn PDF document text
  • https://minipowerpack.net/upload/files/30920732865.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/getirazedusojijunopotojir.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609893c655144---dapofisuxifowamepigefom.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a16ea05fdd9---77734255863.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=online+powerpoint+to+pdf+converterPDF 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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