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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://krisoc.ru/uplcv?utm_term=how+to+transfer+a+video+from+pc+to+phone PDF link annotation

  • http://air-con.ru/upload/files/96071045510.pdfIn PDF document text
  • http://costruzionibulagna.it/userfiles/files/79556455087.pdfIn PDF document text
  • http://amicissiapiemonteisa.it/userfiles/files/selexe.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/57335291828.pdfIn PDF document text
  • https://khabul.mn/mmpa/userfiles/files/witobepudojim.pdfIn PDF document text
  • https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/33204498004.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/4e6f9fcg4gt7k79o234cp198m9/55304241580.pdfIn PDF document text
  • https://tanthueviet.vn/img_data/files/xupuxagew.pdfIn PDF document text
  • https://sambelteri.com/contents/files/85456240303.pdfIn PDF document text
  • https://beeshark.ro/app/webroot/files/userfiles/files/tugorepefivezopemekajudo.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/24366158465.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/c66c9bc43682a5b275bf6a99ea7563ad/vudozok.pdfIn PDF document text
  • https://suativisamsungtaihanoi.net/upload/files/93011694764.pdfIn PDF document text
  • http://ecme.site/2015/vat/upload/files/deduxojofokuvobeko.pdfIn PDF document text
  • https://infotechb2blite.com/bot/ckfinder/uf/files/3645810388.pdfIn PDF document text
  • http://matsusushionline.com/uploads/files/51182650170.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/5780672799.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/821fbbac04ae1a5b33ba9c08b09b2ffb/73296539538.pdfIn PDF document text
  • http://saraiaser.nl/userfiles/file/81937932702.pdfIn PDF document text
  • https://estatecambodia.com/htdocs/cljr/data/files/42717239032.pdfIn PDF document text
  • http://thucancakoihikari.com/luutru/files/futemoselufeb.pdfIn PDF document text
  • http://alrehabourhome.com/userfiles/files/84855104478.pdfIn PDF document text
  • http://baheth24cars.com/ckfinder/userfiles/files/falosurokijutalaguzojenem.pdfIn PDF document text
  • https://tspinstruments.com/cache/fck_files/file/lunexerosumaseken.pdfIn PDF document text
  • https://owop.challengersports.com/userfiles/files/10492231300.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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