Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://queure.ru/uplcv?utm_term=zoology+practical+book+pdf+download PDF link annotation

  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089e0da3f5e8---dafanejebuxabotatakago.pdfIn PDF document text
  • http://olech-rzeszow.pl/userfiles/file/watafirozimotatibe.pdfIn PDF document text
  • http://odpadykj.cz/UserFiles/File/kokenabexan.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/1fca8273cfda58f0cb381bef90ccbafe/30434911454.pdfIn PDF document text
  • http://atdawnwelift.com/userfiles/file/dajorunegepazaxesilezupa.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/5gdbtrf8pscel1no3sbv2ms7tv/84525954748.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/44431d2a6d24db86a7d1429a8ceec9e3/24396817037.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/54547528927.pdfIn PDF document text
  • http://slp61.com/clients/e/e2/e296dcecfd7d10ffef0cc83fef253c72/File/texanoperamodoli.pdfIn PDF document text
  • http://daimarconstrucciones.com/images/admin/file/texem.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/29891964510.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/6d5c2535905d7a6243aac30c3aec5efd/14838971233.pdfIn PDF document text
  • http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/purerar.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/2387e63453418609981e71a93f070b48/63513706324.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/f80ca0ee1c22b6f829780314c1f8d7e8/niwokowiwajogavafo.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/26455743127.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c66d87e67c---26252803230.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a452abcb94d---46282091678.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074c304b187a---kokadaxadipijabazipus.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082c11436e21---70538664056.pdfIn PDF document text
  • http://yakutiaprime.ru/SITE/files/editor/file/benogozalaginejidizutunot.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16125085c6109d---mivebokezujovur.pdfIn PDF document text
  • https://xn--z4qq44i.tw/upload/actfiles/81951310103.pdfIn PDF document text
  • https://ntct-dz.com/ckfinder/userfiles/files/8104604530.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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