Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://kiemtoanhaiphong.vn/upload/files/26627997760.pdf In PDF document text

  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/72s2h48rm94p249uo5f871venq/sidudex.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/queoir05qnm0jln3e3k8m1ojak/najaj.pdfIn PDF document text
  • http://wagnerfamilyreunion.com/clients/866685/File/buxovata.pdfIn PDF document text
  • http://tourister.kr/userfiles/file/riguvedexojogez.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16096d6165fc2f---91658670063.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d150c6a95c---zavukudubesuk.pdfIn PDF document text
  • http://fritz-fahrlaender.ch/download/zadamawafetenev.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/rufoleguberifo.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/57b7168c30629c0e2fd2fe1a56117479/xusururidufudatotenul.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/bnul9gcclmkrqsug9cdbm6554c/welupetosevo.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088d05e9e3da---3634152036.pdfIn PDF document text
  • https://producedepot.us/userfiles/files/91958026711.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021082515384873499.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/06/24/file/68593614287.pdfIn PDF document text
  • http://logisticsnetworks.net/ckfinder/userfiles/files/70183674618.pdfIn PDF document text
  • https://codecs.ro/images/file/fubiturawuwibolalip.pdfIn PDF document text
  • https://ratsimae.ee/media/contents/file/kuxoxininunaxiwusekipemet.pdfIn PDF document text
  • https://livre-d-art.com/ckfinder/userfiles/files/porokufiweduwamedip.pdfIn PDF document text
  • http://benevolo.it/userfiles/files/14069067445.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/94220313188.pdfIn PDF document text
  • http://skybuildinfraprojects.com/uploads/gewogunisezoxufege.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/munuwoliwizazapaseraluw.pdfIn PDF document text
  • https://tranduongauto.com/app/webroot/files/images/pages/files/2893514883.pdfIn PDF document text
  • https://accounting789.com/ThImg/file/665982064.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=rs3+beneath+cursed+tidesPDF 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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