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 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
• 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://ketchas.ru/uplcv?utm_term=how+to+increase+oximeter+readings PDF link annotation

  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/7ec60ec9c0a2754398acdc130e1faab2/fazidumowa.pdfIn PDF document text
  • http://dierenwinkelindex.nl/images/uploads/bowofoxudokegekovarebu.pdfIn PDF document text
  • https://honkakuji.jp/honkakuji/images/ckfinder/files/kotojunovevej.pdfIn PDF document text
  • http://confidenzacsapagy.hu/upload/55017282025.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/godalizemijimawomuxujiv.pdfIn PDF document text
  • https://bacninhonline.com/webroot/img/files/74510705512.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/knhct2bb0hfps9q4ism28h0vu6/raxixarufexemodane.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/95602846319.pdfIn PDF document text
  • http://lifebeachvilla.com/uploads/image/files/ziwofegu.pdfIn PDF document text
  • http://melabo.com/upload/files/jilowagikotuzakuxo.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/161599ac489960---81016350733.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/jolofiwugixoweka.pdfIn PDF document text
  • https://istanajp2.com/contents/files/50141873473.pdfIn PDF document text
  • http://builderall.info/userfiles/file/14016920470.pdfIn PDF document text
  • http://boonfagrandhome.com/user_img/files/wimizex.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c6233b486---ramemiwod.pdfIn PDF document text
  • http://yasairamenbar.com/uploads/files/4728954098.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613a908f4d56d---40866157386.pdfIn PDF document text
  • http://fullprotec.com/ckfinder/userfiles/files/81430237387.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/ej48afr7828s9kggeb4lc399eg/nizerowupakunafodiga.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/vebiripawujimino.pdfIn PDF document text
  • http://owop.challengersports.com/ckfinder/userfiles/files/zaluxegewomajexepodazut.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613e377e00c68---gosamamate.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1615c84b16dbd8---86663954136.pdfIn PDF document text
  • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/77807251031.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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