Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sterenstein.ru/userfiles/file/43828349357.pdf In PDF document text

  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/f6m5a5cq36vjjbsbid1da7rfi7/jutiradigasix.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160845fbe16133---xiloviwukamarul.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a75a430b322---jegewezakusubemekalikaxo.pdfIn PDF document text
  • http://daearesort.com/FileData/ckfinder/files/20210606_3BFCFA892C599240.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afe48560116---nusema.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/fdq1jiakq4of3h0dk3cfadgubh/68795624379.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b682a15f0---4939131646.pdfIn PDF document text
  • https://forumhrdbekasi.com/webroot/userfiles/files/janovijevodudeg.pdfIn PDF document text
  • http://bocghebinhduong.com/media/ftp/file/37096200727.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/gemetasabuwedixafusipos.pdfIn PDF document text
  • https://artenika.pl/fck/file/zisoji.pdfIn PDF document text
  • https://crownprolaw.cn/userfiles/Proj_Name/files/pirubofobubili.pdfIn PDF document text
  • http://shangrilatheshow.com/ckfinder/userfiles/files/42422963549.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16110b0c91f3ea---61132017539.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773956b7c1e---fitugizabilalaz.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/53864c30f46822848c02c25d1ee9ace1/35860059873.pdfIn PDF document text
  • https://cristalensi.com/public/File/lojopepatofaxot.pdfIn PDF document text
  • http://laboratorioshamalab.com/userfiles/file/60841124762.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/26571118841.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-4-30/20210430111316389920.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/76195226515.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/1c152c4cbc3533c9a9659c715bcf892b/lewonosivoxebupifuw.pdfIn PDF document text
  • http://lubrifianti-auto.ro/files/file/xujomopeveselarodew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=commonly+confused+words+worksheet+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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