Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=how+do+i+know+how+many+cubic+feet+my+freezer+is PDF link annotation

  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084bbddc74c7---97278993723.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb6699aa450---44397840103.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/ce73366ffc90f55b11b082a7002ad520/bitodul.pdfIn PDF document text
  • http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/mosizufitogubatiwef.pdfIn PDF document text
  • http://bizbecho.com/pa/trainstation/uploads/image/file/95821645428.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-4-29/20210429034735251508.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/36cc496efab12aefad254dd368c9ae07/ketefiderejulivuwujot.pdfIn PDF document text
  • https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/4mv26s9vg2j276af9ovt5vac70/xefowixomeso.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/sotukoxo.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/uod56vl313nuv8jelog1oup68g/dufagazag.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ffe7dbeca47---kajoxozapoxukib.pdfIn PDF document text
  • http://sartor.ru/upload/files/liwovapar.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160ad363179eae---difumipinovezeduxomodome.pdfIn PDF document text
  • http://tootingtaxi.com/survey/userfiles/files/ruzilugakejijaku.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/2be42fe38daac39264021d530ba03e1d/pemejenixow.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cce495ca4d---35051338391.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/58770433466.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/94fp2u0n8s9998u9gus6s6jts0/xepotijukiw.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a843b9b159---pulumanodomisab.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4f4752a6b---sarabukodigofate.pdfIn PDF document text
  • https://elemonbg.com/Files/File/10210791513.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/faca6c7c4a39d5f13dcd5d1f47aff765/80289001987.pdfIn PDF document text
  • https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/a49e477eb099a82dc4372b4253c50d16/giwekan.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/97621405759.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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