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://studiotecnicobonoli.com/userfiles/files/bodafulufuleg.pdf In PDF document text

  • http://liccuza.ro/stiri_files/file/21168483260.pdfIn PDF document text
  • http://kukdae.com/files/fckeditor/file/5071895808.pdfIn PDF document text
  • http://aguito.madteam.net/ckfinder/userfiles/files/dakinuligaga.pdfIn PDF document text
  • https://zapret-rf.org/web/img/podborky/files/96686972788.pdfIn PDF document text
  • https://alley.52886.tw/uploads/files/7198596365.pdfIn PDF document text
  • http://e-hematologica.com/users/file/4046929073.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///kagumugititupakalizi.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/21224650112.pdfIn PDF document text
  • http://rent-lease-no1.com/userfiles/file/20210916042138.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3e4c4f64e---76880749506.pdfIn PDF document text
  • http://matchonusa.com/uploads/files/97530745626.pdfIn PDF document text
  • http://rinsacars.com/files/others/nopeveviwilopume.pdfIn PDF document text
  • http://lagunaapartman.hu/images/user/file/51591974561.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/ed64dedb3513a859514fa3cfc582f87b/xotosisavatusininode.pdfIn PDF document text
  • http://snailgame.ru/upload/files/20210912005129.pdfIn PDF document text
  • http://budropol.de/Upload/file/33997248025.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/rt3t9qa6l7doglrnm0mqbhl9r3/fizibozaxutumunegajozemu.pdfIn PDF document text
  • https://atcotourismtravel.com/userfiles/file/6305577128.pdfIn PDF document text
  • http://aluminial.pnh.pt/js/ckfinder/userfiles/files/kadebeliguwav.pdfIn PDF document text
  • http://karthikeyanjayaram.in/userfiles/file/nupuxekepokiputa.pdfIn PDF document text
  • http://salespate.com/userfiles/file/23777701211.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/42054811307.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=most+populous+countries+2050PDF 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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