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://crysiq.ru/uplcv?utm_term=the+glass+menagerie+summary+pdf PDF link annotation

  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140322506ab7---46334863964.pdfIn PDF document text
  • https://bccphil.paramedix.biz/uploadfiles/file/48231848006.pdfIn PDF document text
  • https://anjingliar2.com/contents/files/46770320087.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210925142523_2126642429.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/161454035791ef---53954835663.pdfIn PDF document text
  • https://spa-salon.ru/ckfinder/userfiles/files/8418389394.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/62619369148.pdfIn PDF document text
  • http://ing-ka.com/user_img/file/zaligita.pdfIn PDF document text
  • http://weddingdove.tw/uploads/files/202109030329168682.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/71f3b5b3eabe9ff237e6e90c1dad5f49/10177871074.pdfIn PDF document text
  • http://hondasushi.com/uploads/files/92102161244.pdfIn PDF document text
  • https://printjet.pl/pliki_user/File/lebufamebosaka.pdfIn PDF document text
  • http://meubelenindex.nl/images/uploads/barimejunegerumobuzavagi.pdfIn PDF document text
  • https://felixtrail.com/imagini_ws/85332381321.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/wurivukabu.pdfIn PDF document text
  • https://wedding-photos.cz/userfiles/file/kekexeripijuputusejuxuri.pdfIn PDF document text
  • http://kunjipsc.com/uploads/files/sisawuxexon.pdfIn PDF document text
  • http://dreamsurgerycn.com/ckupload/files/68764697610.pdfIn PDF document text
  • http://korea-labels.com/ckfinder/userfiles/files/kivurot.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9086a3ef8---78085022347.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/46293453801.pdfIn PDF document text
  • http://gnox.vn/upload/files/76829276257.pdfIn PDF document text
  • https://pielinks.com/UserFiles/file/dizezetafufuti.pdfIn PDF document text
  • http://dafangtour.com/fckeditor/userimages/file/39548382682.pdfIn PDF document text
  • http://bochkari24.ru/pic/file/mujonowomebomopatodinif.pdfIn PDF document text
  • https://jmcoverseaspvtltd.com/uploads/files/xexotinodipifufonininovip.pdfIn PDF document text
  • http://velapower.com/glwh/UploadFile/file/2021090702194573499.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/botubugefati.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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