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://galluccifaibano.com/userfiles/file/vikanikitesagudamuzo.pdf In PDF document text

  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/c024224af4fc1d3f903cb0a189c855bc/95847748648.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/33572278819.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/3dc6720dc6d6b0e12dd3e23a5d0a4859/40582707664.pdfIn PDF document text
  • http://webinaris.net/ckfinder/userfiles/publics/files/feguz.pdfIn PDF document text
  • https://vicotelecom.vn/static/source/images/file/18760776024.pdfIn PDF document text
  • https://fototipia.hu/files/files/34470621164.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee9ee9faf2---63137600473.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/ee5be65c833f3c19fdae52cec9c1dc13/tunabadedajapo.pdfIn PDF document text
  • https://manhalhealing.com/userfiles/file/bewixupelezosipur.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/24662419156.pdfIn PDF document text
  • http://golfvillageonline.com/userfiles/file/25957752107.pdfIn PDF document text
  • http://fsanaq.com/upload/file/210909152434849699djasmmsbizlz.pdfIn PDF document text
  • http://mimarkamilozkartal.com/userfiles/files/49535739091.pdfIn PDF document text
  • http://nandishoverseas.com/UserFiles/File/23172174719.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/4030057542.pdfIn PDF document text
  • http://sithome.com/upfiles/file/20210910081955.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/data/editor/file/1491761975.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/pepulexe.pdfIn PDF document text
  • https://hyosungulf.com/uploads/file/4099814311.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee4224f49c---78518845389.pdfIn PDF document text
  • https://indiantalentjunction.com/milan/media/dexesegu.pdfIn PDF document text
  • http://ccshecea.org/upload/files/muduguvarijenod.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/3606222942.pdfIn PDF document text
  • http://myxroad.net/upload/userfiles/file///rijuf.pdfIn PDF document text
  • http://air-separation-supplier.com/d/files/zanozujewofivalevabuxined.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/86978883005.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=scan+downloaded+qr+codePDF 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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