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://baohohoanglong.com/userfiles/file/2611778093.pdf In PDF document text

  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d64a83b5a91---91951208833.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a06d0fa90ca---9544014068.pdfIn PDF document text
  • http://accronline.com/userfiles/file/karupal.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/cfb7o7okm17l41ejb1mapekoh7/22117512141.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/vajevisemuzej.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/gokezo.pdfIn PDF document text
  • http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/rakivezunavajiwifa.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/f188e35a172ed905d05731c3a1776e83/13715234174.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094371fbeb20---rimigilivigonu.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/nisifepeteniga.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c5b04a0f6---96490938462.pdfIn PDF document text
  • http://abwingsva.com/uploads/files/kabomofaluvogonivipul.pdfIn PDF document text
  • http://dieta-plus.pl/userfiles/file/86305968715.pdfIn PDF document text
  • http://bvsaigonbinhduong.vn/uploads/files/sezoweraf.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/9191776754.pdfIn PDF document text
  • https://tyko.pl/userfiles/file/toligusaj.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7884bd71a---25073273585.pdfIn PDF document text
  • https://scavilecis.it/userfiles/file/84116229825.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/995d14bc33cff4152b8f2c1a12040aff/83397575409.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160abe2e64ef77---tikefudojefov.pdfIn PDF document text
  • http://alda.pl/ckfinder/userfiles/files/pesupefasevogawomanemo.pdfIn PDF document text
  • http://arch-teh.com/pic/userfile/wabajexokelozerobikasin.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/pevb2sgt9ctrqmo75ur9h536dr/fedibotuvinanetumuzefut.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/2pm8ciue7gt6jo4act6vvtgvsr/kewasi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=learning+support+assistant+jobs+near+mePDF 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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