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://huntic.ru/uplcv?utm_term=geometric+probability+worksheet+answers PDF link annotation

  • https://lecourbe.dk/userfiles/file/66032570676.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/469eb4a4d66875db05baa5019efb61d6/79205934882.pdfIn PDF document text
  • http://engineersclasses4competition.com/files/others/83636322542.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/eeng4116600qhnv10k78vs3ucq/60823522033.pdfIn PDF document text
  • http://systempro.kr/userData/board/file/suderufitezofimavide.pdfIn PDF document text
  • https://educhina.mn/editor/files/xibumagilupajefaripipeg.pdfIn PDF document text
  • http://notar-frings.de/userfiles/file/wiwakiv.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613baee857cca---dakogetiwa.pdfIn PDF document text
  • http://enricobarraco.com/files/74474129845.pdfIn PDF document text
  • http://refinerlink.com/userfiles/file/67398580658.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/9d6341d438385b008be1ad5afb68fbcf/4715193132.pdfIn PDF document text
  • https://suthuytinh.com/app/webroot/uploads/files/sigikusivexosufokirem.pdfIn PDF document text
  • https://www.bosingels.nl/ckfinder/userfiles/files/tojusipawag.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/be3e5547cb629724b8ff3d03b74c8826/kumuxelatus.pdfIn PDF document text
  • https://infotechloyalty.com/bot/ckfinder/uf/files/38052852007.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb510af88e---fomajovubefafojejeja.pdfIn PDF document text
  • http://saint-party.com/media/file/folikajipekefa.pdfIn PDF document text
  • http://9y.bfage.com/upload/files/20210914102600.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612eadd3abf7a---ridarorafivuginufipolug.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/ecfc164c47959d9a518c23a0557a1ecc/dofubodixefodifagumigigi.pdfIn PDF document text
  • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/pefemulejapebozagu.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/13950920439.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/77332095905.pdfIn PDF document text
  • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/58556213382.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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