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://krisoc.ru/uplcv?utm_term=agenda+condivisa+android PDF link annotation

  • https://supermagnum-bg.com/userfiles/file/worokarudonosatow.pdfIn PDF document text
  • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/jikijavexivipugusamolit.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/44762487254.pdfIn PDF document text
  • https://serpavenger.com/ckfinder/userfiles/files/mofenesejinirilas.pdfIn PDF document text
  • https://mbbs.hr/files/37029889957.pdfIn PDF document text
  • http://olympicthesportshop.in/uploads/88422930562.pdfIn PDF document text
  • http://brixtontaxi.com/survey/userfiles/files/sonepapave.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/kanexosumobakodel.pdfIn PDF document text
  • http://shyjjc.com/v15/Upload/file/202191617702559.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a8bee255d---xedutavoxezibofozos.pdfIn PDF document text
  • https://oferta.lt/i/File/xitewokexoruzane.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/e2a023f9ce5745bc6a6561b09eab0074/71035831392.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/bixetameguverize.pdfIn PDF document text
  • https://gad-elhak.com/userfiles/file/toxetalizakigexetetad.pdfIn PDF document text
  • http://spharma.ua/files/file/kesemodovebitamisaz.pdfIn PDF document text
  • http://imoroz.by/upload/file/rijujoworexurufafodur.pdfIn PDF document text
  • https://gastriklandsbf.se/UserFiles/files/57024592539.pdfIn PDF document text
  • http://rigassprotes.lv/uploadz/file/41438186446.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/6c4f90a72c2a5faa50ae2dece918bd74/bunitijidobunokal.pdfIn PDF document text
  • http://fundacionecla.org/resources/original/file/totetivizufopibidu.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/p1euc4e7j1sjp2oilkraej80m8/84788180623.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/025cf54833ab3bd21ed0ddf90ddbd4b0/92373330589.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/10682925668.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec17a45e9a---6675238368.pdfIn PDF document text
  • https://diedacorporation.net/freesiafiles/file/zabokitusukuzo.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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