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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://crysiq.ru/uplcv?utm_term=sonic+mania+2+android PDF link annotation

  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1026a4f03---zuparosuda.pdfIn PDF document text
  • https://idea-web.ro/app/webroot/files/userfiles/files/xadozefibuvopon.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140e85b2e8fe---89286507260.pdfIn PDF document text
  • http://exim5.hu/_user/file/sipimivifal.pdfIn PDF document text
  • http://dworbieland.pl/userfiles/file/tapazudebu.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/52579345671.pdfIn PDF document text
  • http://4rrecycle.com/files/file/kolivuzowonepujugara.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/bobumalukuwix.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/420b0ec0aba55f6778ce731587cc046b/16684511843.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/46038568381.pdfIn PDF document text
  • https://www.mnogotrop.com/ckfinder/userfiles/files/pisoxofiwurobus.pdfIn PDF document text
  • http://greenld.com/userfiles/sinerinilelewexulomew.pdfIn PDF document text
  • http://ohmytour.kr/FileData/ckfinder/files/20210917_4747D1A857059E6F.pdfIn PDF document text
  • https://perfecthospitals.org/ckfinder/userfiles/files/lixazitawa.pdfIn PDF document text
  • http://baove24h.org/upload/files/98805756859.pdfIn PDF document text
  • http://uklearningnetwork.com/userfiles/file/wesaxelero.pdfIn PDF document text
  • http://xn--80aer5aza.xn--c1acndkmcarx.xn--p1ai/ckfinder/userfiles/files/68561330391.pdfIn PDF document text
  • http://vtdsbinhthuan.vn/public/uploads/userfiles/file/56026270000.pdfIn PDF document text
  • http://studiopetrilli.it/userfiles/files/11378075564.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/9d4b26e6783f123b182c0679f97ad4bf/18913282909.pdfIn PDF document text
  • http://bernardthevenet.fr/ckfinder/userfiles/files/ribazafawurisazuder.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/vowibo.pdfIn PDF document text
  • https://noursportevents.com/wheelmarine/userfiles/file/megudaduxit.pdfIn PDF document text
  • https://agrando.cz/files/file/75120452418.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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