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://philabc.ru/uplcv?utm_term=day+night+wallpaper+android PDF link annotation

  • http://anhhieu.vn/hinhanh/file/22214950781.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8e139c3cb---61659624287.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/82285588840.pdfIn PDF document text
  • http://falconfam.com/ckfinder/userfiles/files/95427377480.pdfIn PDF document text
  • https://12shio2.com/contents/files/99767743354.pdfIn PDF document text
  • https://tasleemdubai.com/userfiles/files/88419682385.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac5086401d---wovogabaragasozojibugowu.pdfIn PDF document text
  • http://miryangpension.com/FileData/ckfinder/files/20210901_22EE9D2682CD9BA0.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613916a837880---dezubulurebubu.pdfIn PDF document text
  • https://lhorizon.ca/uploadHorizon/file/jazemenuv.pdfIn PDF document text
  • https://mimpishiosatu.com/contents/files/nawuxenekime.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/maruraz.pdfIn PDF document text
  • http://kuppersbusch.hu/userfiles/files/tilajupiruzedovibexapufu.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/63389608220.pdfIn PDF document text
  • http://kronikarp.pl/ckfinder/userfiles/files/17550965825.pdfIn PDF document text
  • http://zimmerei-possert.at/91423271620.pdfIn PDF document text
  • http://www.centralperdana.com/file/nesadebulodar.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bf1033910---sajedefab.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613954f924546---96227844049.pdfIn PDF document text
  • http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/nepixugemaxo.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613c8f01083d1---sikaneravuvosikajabaf.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16133a668934a5---27641361431.pdfIn PDF document text
  • https://lenaoyunlar.com/calisma2/files/uploads/61365702544.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/82334350562.pdfIn PDF document text
  • 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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