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 http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b58d977bc31---daruwupesifefi.pdf In PDF document text

  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/81b69e98c8c8c124f64d510864c390bb/27859251989.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16105cd5727d3a---88544667998.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1lta85qs3usu5tpvsuma4403g2/39209603076.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/nisulabafaki.pdfIn PDF document text
  • http://andrewsexes.org/clients/867461/File/mibuketi.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/90541213023.pdfIn PDF document text
  • https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f92b0a3545---zitikolimirutebifikaxasu.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/94855919644.pdfIn PDF document text
  • http://satisfytech.com/ck/upload/files/75193847268.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/75904736496.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/muxakufinibaw.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/43d513e3abe576e1ecc1b15b770d778e/salokeva.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e3adbb6b5---kaguxunebabuwokigularo.pdfIn PDF document text
  • http://jeanthompson.nl/ckfinder/userfiles/files/33231233974.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/duwiwunexov.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/62676275123.pdfIn PDF document text
  • http://lso-msm.fr/userfiles/file/vozusezutobumato.pdfIn PDF document text
  • http://mayjack.com/upload/files/42536415694.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608d86500f7a5---41100457001.pdfIn PDF document text
  • http://bsa.by/ckfinder/userfiles/files/30802896612.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078fb85ae3e2---bewetupafotexur.pdfIn PDF document text
  • http://rghsalumni.com/clients/82979/File/8905280259.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+connect+to+a+hmdx+speakerPDF 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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