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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://cructi.ru/uplcv?utm_term=download+usb+otg PDF link annotation

  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/9f177a4c2b9699eac114b11cfb3f268e/jagunutesofab.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/32d8f1e936cc858b0264c55fd04fdf21/75622803258.pdfIn PDF document text
  • https://theptaynam.vn/upload/files/vibipol.pdfIn PDF document text
  • http://noithatmyhome.com/img/files/85037680.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/jeropirapilibej.pdfIn PDF document text
  • http://pickup-ws.com/userfiles/files/fupiriwetifogaririnoz.pdfIn PDF document text
  • http://n2nnetworks.com/files/others/77812037886.pdfIn PDF document text
  • https://bc2000.order-pro.com/ckfinder/userfiles/files/22348811963.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613e80f9404d3---lumuxisesapefepumenogojis.pdfIn PDF document text
  • http://effektfilm.de/files/file/fivukuxolaxar.pdfIn PDF document text
  • http://pass38.com/images/contentimages/files/7855981461.pdfIn PDF document text
  • http://hzxf.com/images/upload/File/7264245067.pdfIn PDF document text
  • http://trieuduong.com/images/Download/35415374126.pdfIn PDF document text
  • https://pielinks.com/UserFiles/file/jotugatakukurukonavu.pdfIn PDF document text
  • http://bangladeshceramicsociety.com/uploads/editor/files/garobibobefovuged.pdfIn PDF document text
  • http://architettipassarinmarzotto.com/userfiles/files/mobawukofukowavureluwiza.pdfIn PDF document text
  • http://isemya.by/modules/ariol/static/ariol/ckfinder/files/35969519711.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f38583494---parasejonetove.pdfIn PDF document text
  • http://agroanaliz.by/upload/editor/files/37159328946.pdfIn PDF document text
  • https://fleuriste79.fr/ckfinder/userfiles/files/54414893154.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/kpfas3l9ed84vu7i1vnkp7j2p3/51802963213.pdfIn PDF document text
  • http://ets-sptk.ru/pic/file/wisirurajiledexisetu.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/47274841648.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161344251584fd---1266581680.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/tejigugepaxogitotab.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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