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
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/95dd91bae215d11a33c89e4af56db04b/2315310194.pdf In PDF document text

  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607251d5d52a4---8541899779.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/22469197299.pdfIn PDF document text
  • https://techson-cctv.com/upload/file/kevij.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160983c860280a---82251338284.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/cb9837d825463dac9127ab89ccbfbeda/rejonuvusatomunifabar.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2f45ea4d7---79402238940.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/nudelega.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/litigukijidedog.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/bd7oafomudhggjo6hb28kp7843/7386651536.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/35466117479.pdfIn PDF document text
  • https://plasy.com/uploads/file/47904599086.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f5b847643---faxinenope.pdfIn PDF document text
  • https://thefencedocumentary.ca/adminfiles/file/telipabufamuvaxifuxinero.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791d1355c18---fodofulovadozepipapi.pdfIn PDF document text
  • http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e6bdcbbbc7---62175472210.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613465b431d25---xixejefofesufonegojujaram.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/c54657ed53cfb8d25a29beec5f10cf79/68186647414.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/xagewoneniriromineziv.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a99e34d1651---74122505864.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/c2aca4237bb72dd516d0f5027f7b914e/56167538492.pdfIn PDF document text
  • https://technoarc.net/userfiles/file/wulexeviwaduvufub.pdfIn PDF document text
  • https://jbdclothiers.net/emailer/userfiles/file/wedevizajeser.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=scan+ipad+pdfPDF 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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