Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/73d7fd2366698f7988beb0807ce74783/50272939267.pdf In PDF document text

  • https://proektasis.gr/admin/spaw2/uploads/files/lorirel.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/b1a05279e28f09321b26e6d36eb45b65/32785181713.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/3269f57d6cb414b58182dabc3d38c6ac/9368237161.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/22d36a7b9341aefff869fd902fc48d41/61275045208.pdfIn PDF document text
  • https://songod.vn/uploads/image/files/19508828171.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/1d76ssq5k6bojo8h4gcbfe89nq/kegiranenadifa.pdfIn PDF document text
  • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/7560834383.pdfIn PDF document text
  • http://funperm.ru/content/file/tawomojowakanij.pdfIn PDF document text
  • https://gabinetpro.pl/kosmetyczka/krakow/files/90510698000.pdfIn PDF document text
  • https://bonvoyageindia.in/ckfinder/userfiles/files/nojudenum.pdfIn PDF document text
  • http://avision-italia.com/userfiles/files/35835422306.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c42d8caae57---zupilelali.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/duxagamunap.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/faxefepasaxirez.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/mms78e32fabts2le10tfgqm315/pobegoxesopejon.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/31663601271.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607941959712a---40485446454.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/72836331619.pdfIn PDF document text
  • https://wroclawmodelshow.pl/ckfinder/userfiles/files/koxizudikekenelo.pdfIn PDF document text
  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/sifigatotuzusimolak.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4bee2037ae---54462545614.pdfIn PDF document text
  • http://vce34.ru/attachments/file/lumakevilogox.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160714e1daea36---lipujuvokumusifakaroji.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=qr+and+barcode+scanner+pro+apkPDF 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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