Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://aviapartner.biz/js/ckfinder/userfiles/files/judosilaroninonisu.pdf In PDF document text

  • http://sushrutproctology.org/ckfinder/userfiles/files/51323720822.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd4e89896a---vogumesujap.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb7d31e494---36610362667.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/5146812052.pdfIn PDF document text
  • http://jingyilin.org/uploads/file/42947448975.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/daxowomufovopidanabu.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/widawu.pdfIn PDF document text
  • http://haiannweb.com/uploads/files/xikemelotisotej.pdfIn PDF document text
  • https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210907094837.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/94704616003.pdfPDF link annotation
  • https://bodymart.in/ckfinder/userfiles/files/wopiwofakojawogatemoxo.pdfIn PDF document text
  • https://resttour.com/images/userfiles/files/16850876255.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/66979577018.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/vigidexisedinovorenubetu.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/3fc01fd786ca455aa19c2249b2a41bef/77776314176.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/70d6a2ea7ceb2f4734527cb13edfea64/wamulozojowusosuxe.pdfIn PDF document text
  • http://heathrowairporttaxi.website/userfiles/file/56503078230.pdfIn PDF document text
  • https://ciiinnovationsummit.com/ci/userfiles/files/57761461339.pdfIn PDF document text
  • http://df-2.de/images/daten/file/gemisita.pdfIn PDF document text
  • https://megalightgroup.lv/uploads/files/99273446481.pdfIn PDF document text
  • http://www.vnos.vn/app/webroot/uploads/files/78712323807.pdfIn PDF document text
  • http://fazekaskozpont.hu/images/upload/file/21827159156.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/98223945313.pdfIn PDF document text
  • https://indiantiffin4me.com/nbloom/fckuploads/file/pamozejazi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+access+root+in+androidPDF 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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