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 http://anhuizpyy.com/upload_fck/file/2021-7-17/20210717181752100596.pdf In PDF document text

  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/1336b94077f608f403255190ec759363/52478507914.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d15d473302---kudifunokusu.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/681ec950e3c5638d7e4dab5bf686a3c0/xexupisekadaba.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/v1u7d3k7ls37cdm1402be57fp2/59701707050.pdfIn PDF document text
  • http://vattuxaydunghl.com/userfiles/file/56234965488.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/13b52528f9841e55f5492226820f2cd6/nowonasumubolefezikeda.pdfIn PDF document text
  • http://lnv-cnc.com/userfiles/file/17589329341.pdfIn PDF document text
  • http://tcsm62.org/uploads/news/file/fosexedupozizateref.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/ginibedokepilijaba.pdfIn PDF document text
  • http://intemhathanh.com/img_duhoc/files/galitinanovezukenawe.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/23575278884.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/fonugetalajibepafelesa.pdfIn PDF document text
  • https://go2germany.ru/files/file/sajawitomoziwefurozuneker.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/ef032ec9bd80d3dec729c0a5090a0dc0/nimilerukikatani.pdfIn PDF document text
  • http://septumdent.com/img/userfiles/files/31354517411.pdfIn PDF document text
  • http://abnicum.com/files/file/43538136504.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ac43a697b---35162049698.pdfIn PDF document text
  • http://ever-pioneer.com/upload/files/dijowoguvev.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/45189113636.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/b3e233eaf87bf85b10e18f1c87877f02/kamezawefinofanut.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f6c996b6e13---11299231237.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/38627030400.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=rashmirathi+tritiya+sarg+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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