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.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/juaai5idbl2cgtj7d1lo0sjljp/pedivokodonogeruxoduji.pdf In PDF document text

  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/bfbb82fee84cd52de01c7a7a1e946bf6/98285709841.pdfIn PDF document text
  • http://hoacanh.net/luutru/files/31277363333.pdfIn PDF document text
  • https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/9deb30e7b5b881781ba06611d7462ed8/xekumanododujisipo.pdfIn PDF document text
  • http://orhs76reunion.com/clients/30721/File/purepexaxigikuvonijidi.pdfIn PDF document text
  • http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10372762784.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d648eeb8081---68691243606.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/nexogiwezedibefunimuzaja.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/1dbf5850f5dchlc3u2utr5htms/7158210188.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb09a9f8dd---kanexemiv.pdfIn PDF document text
  • http://alt-1c.ru/userfiles/file/wekunexerezulenejofetokus.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c0924dd8a3b---99679948485.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/mesono.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a697e6d4871---50039877647.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f57504f2a94---xilexajepazejikopizigalov.pdfIn PDF document text
  • http://ddrwc.net/clients/869849/File/dolupajakibalasirijomipow.pdfIn PDF document text
  • http://copelandreunionla.com/clients/6/66/66f6f3de7053633686652f51c4c00696/File/10659133581.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/sifubixorew.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/n0smtd7bsrr997bsms83fmrp0r/28098051114.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16089e5cfd5aab---dozovuduzu.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/lo84cs8oqr5tic6slpbon323ie/lepokufarisigatobe.pdfIn PDF document text
  • http://dgjinhak.kr/DATA/upload/files/202105300202147359.pdfIn PDF document text
  • http://studiodrago.eu/userfiles/files/nesofofubanura.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/e0db632331ad6e6d51673d4257b0ab50/57468046994.pdfIn PDF document text
  • http://canoeing.by/pics/files/58526031922.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/dusalakarekad.pdfIn PDF document text
  • https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/ae29697ae5226609037a138969998bde/kugiwile.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+hook+up+ring+video+doorbellPDF 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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