Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://gdlejia.com/uploadfile/files/20210802_210934.pdf In PDF document text

  • http://cy2hand.com/userfiles/sitaponura.pdfIn PDF document text
  • http://niengrangchuyensau.com/upload/contentFile/file/615273103.pdfIn PDF document text
  • https://monamifrance.com/FileData/ckfinder/files/20210903_52E71DAFCAC16222.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/tibulabi.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/fepijabu.pdfIn PDF document text
  • http://heatexchangersolution.com/upload_fck/file/2021-8-14/20210814171059611742.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779125dabec---zagujexutivavinufosuzida.pdfIn PDF document text
  • http://newkontakt.ru/userfiles/images/file/74484132738.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19b6721b8d---xidorepivugoveb.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16097acc06ef2d---39501093682.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/fgfb91d9ai42l5hgl56ovhid2c/sepidizawojuni.pdfIn PDF document text
  • https://motecx.com/images/file/74774788130.pdfIn PDF document text
  • http://macierz-grodziec.org/files/file/lopire.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6e372c0854---fuxujujaxosolezarijegu.pdfIn PDF document text
  • http://csc0451.com/userfiles/file/20210619105459_4yfyh0.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/8cvi44oh5hg30u3acd2l57alj1/wipixomaxure.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/a90203f16a732107a0e26ce028c513dc/zolewosalidefaxiviwesoxa.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/uf5hukai7vo9hfu0a6rj3aju71/99127642634.pdfIn PDF document text
  • https://ms1oke.com/contents/files/libijawumemesosunisek.pdfIn PDF document text
  • https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/db4a0307399d4916ba7f305c9b2947d0/31530723590.pdfIn PDF document text
  • https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/8e21bdbdd5e75f3778e438efa9fa17e9/34287420391.pdfIn PDF document text
  • http://sbcnepal.com/images/file/19174409585.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/6d0d9c0e8f17af1fcd4da69bf7afedc1/16965414495.pdfIn PDF document text
  • http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/xepaxusa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=technical+analysis+explained+pdf+downloadPDF link annotation
  • 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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