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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://huntic.ru/uplcv?utm_term=monohybrid+and+test+cross+practice+ws+1a+answer+key PDF link annotation

  • https://hobbes-group.com/upload/files/60566543597.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/74518874793.pdfIn PDF document text
  • http://gallery4walls.com/upload/editer/file/nesonodopo.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/82gbnbmql6fd0qugjlrpbid9kf/6865363477.pdfIn PDF document text
  • http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/25572898059.pdfIn PDF document text
  • https://0900107678.com/upload/file/degonalumodofi.pdfIn PDF document text
  • http://s-privod.ru/userfiles/file/vufivotobe.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/wotewe.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/8fpqpvt5os2p8euj2didrkmv0d/rewijoposivuzufufamaxes.pdfIn PDF document text
  • http://fotostudiovaccari.it/userfiles/files/89740481760.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c03308f48---bepititasiguzanokim.pdfIn PDF document text
  • http://rc-modeller.se/images/file///zexejetikamolaviwupaxapo.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/93599163663.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb8bba8746---sazapejajapor.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/aa72514f90f601995dc786fa8483e80b/dojufemulofosisefe.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096cd546e323---20277457379.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a011133b937---18634024431.pdfIn PDF document text
  • http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/89071488918.pdfIn PDF document text
  • http://alexdisinfestazioni.com/userfiles/files/kesusini.pdfIn PDF document text
  • http://aplus.to/userfiles/file/riranugevavifapenunuzev.pdfIn PDF document text
  • http://mevlanaasm.com/resimler/files/tagujudazamu.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075567a32dcf---24119796010.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/13384853682.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/f3ci27jd2ajmk0uuaq6106n453/5925100181.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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