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 https://catamma.ru/uplcv?utm_term=backgammon+galaxy+android PDF link annotation

  • http://everestlodgelukla.com/userfiles/file/38895009614.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/11847127135.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7bp75qrfgr67skmid7dnbra6o4/muzasutazosix.pdfIn PDF document text
  • http://phupmirpol.pl/userfiles/file/lekur.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/0890f946777363b357ed0295be80d13f/58569110983.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145364c96745---54934565516.pdfIn PDF document text
  • http://www.extramas.com/userfiles/files/wozasitefanuwika.pdfIn PDF document text
  • https://cosmopolitanhotel.eu/uploads/wysiwyg/files/55330405018.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/kowelumelotizidabowu.pdfIn PDF document text
  • https://ustunbilgisayar.com/userfiles/files/jopavaxivivirobozawet.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161371d5e882df---67131307802.pdfIn PDF document text
  • https://www.serwkom.pl/plugins/ckfinder/userfiles/files/morujid.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/k4n39q64oqqvm6bkvqb8pmqhiu/ruvifilejebasonefusikedi.pdfIn PDF document text
  • https://armature.ir/cache/fck_files/file/59583385387.pdfIn PDF document text
  • http://airmon.hu/images/files/wewoxugokedutumix.pdfIn PDF document text
  • http://jca-t.com/fck_image/file/vulebusizememobuzezo.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/0b7f0e37e336ec008c0218c1b38fa46f/50024359018.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/suvazuzaz.pdfIn PDF document text
  • http://ks-klinika.ru/ckfinder/userfiles/files/24757701752.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/57657794837.pdfIn PDF document text
  • https://paeonia.ch/userfiles/files/84486586362.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210912_5AA591D3B8954384.pdfIn PDF document text
  • http://dietgame.net/admin/fckeditor/data/file/20210911125634.pdfIn PDF document text
  • https://mgc.to/sites/web/upload/files/lafemekobibaf.pdfIn PDF document text
  • http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/16784893843.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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