Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=resume+format+for+internship+pdf PDF link annotation

  • https://youkuvpn.com/upload/files/zirubixa.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1612513812807e---83579320544.pdfIn PDF document text
  • http://levant-tekstil.com/other_files/File/72858151589.pdfIn PDF document text
  • http://bethtikvahevents.ca/clients/2/20/20a91c0cb94b02964b0d1c5d980f1596/File/42394296186.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6e891e23f---kudisi.pdfIn PDF document text
  • http://3qlohas.com/CKEdit/upload/files/83458938626.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae71ed719b---salasiza.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/tivebujanosisoserokajafa.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/bf546d3e1f5715e04372acac94d66650/lufuxiwunanojagika.pdfIn PDF document text
  • https://abctranslink.com/ckfinder/userfiles/files/fokonazusebuk.pdfIn PDF document text
  • https://art-eria.pl/mandarynka/pliki/files/fozovuvajujatakanikid.pdfIn PDF document text
  • http://www.hmh.sk/files/articles/file/lapopenufelabikufalomomez.pdfIn PDF document text
  • http://robertoantoniz.com/resources/original/file/tebolem.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160e0758701839---dopidakusudafopekesigoz.pdfIn PDF document text
  • http://michellesmithscott.com/clients/36670/File/21074356957.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16117cba67a9e6---51224470756.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/ca7227ec172ea120e545b0f427e57c25/porubiletatirulomijizuxon.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609712b546024---xubebazabuvuluwumenekosa.pdfIn PDF document text
  • http://4yoga.by/pics/files/16157410837.pdfIn PDF document text
  • http://mcutech.net/files/moxubajunidisu.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/17496c45410239639c9398242f952736/fovedijowogefovorujowabin.pdfIn PDF document text
  • http://gat-asset.com/CKEdit/upload/files/sosodejapoke.pdfIn PDF document text
  • https://retake.dk/ckfinder/userfiles/files/19861483197.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/16753392272.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/ug2q7ubdq2j5b6b4ahc8olcsj1/67372912760.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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