Malicious PDF — malware analysis report

Heuristics 8

• 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
• 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://inwebjor.ru/uplcv?utm_term=stream+life+after+lockup PDF link annotation

  • http://cleanking.net/userData/board/file/laxepepazuku.pdfIn PDF document text
  • https://sandp-engineering.com/ckfinder/userfiles/files/44145463443.pdfIn PDF document text
  • http://bilcafe.it/userfiles/file/banane.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b880c00ae2---guresovinisuj.pdfIn PDF document text
  • http://chuabenhxuongkhop24h.com/images/files/97845793866.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/69jlg1b9m2ql1h3i77tlqepb13/83270369659.pdfIn PDF document text
  • https://doktor-ara.com/userfiles/files/44099262471.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/e23b722f9edc08df9420500db4ee9eba/29518126461.pdfIn PDF document text
  • https://iveducentar.com/uploads/assets/file/lilanewaxasevuzit.pdfIn PDF document text
  • https://tarzminder.com/resimler/files/4053482868.pdfIn PDF document text
  • https://curvy.tw/upload/files/1102878934.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146e0bd4c7cf---33381483618.pdfIn PDF document text
  • https://maribon.net/app/webroot/files/userfiles/files/vagagivotogewezaf.pdfIn PDF document text
  • http://kerama.altrodesign.eu/ckfinder/userfiles/files/telogalitawezujobeber.pdfIn PDF document text
  • https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/27106620858.pdfIn PDF document text
  • http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/22327440076.pdfIn PDF document text
  • http://mabifitness.it/userfiles/files/zefadov.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/rerukinewevasitigukowon.pdfIn PDF document text
  • http://trevorhannant.com/gupepotibeletevumip.pdfIn PDF document text
  • http://snabsz.ru/ckfinder/userfiles/files/gatumil.pdfIn PDF document text
  • http://textstricker.de/benutzerdateien/8811345970.pdfIn PDF document text
  • https://hunde-katzen.at/soubory/pafabajezuguwujobenudex.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f6bcbad45---delaseviro.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/26675544582.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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