Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cbconsulting112.ca/userfiles/files/33905244116.pdf In PDF document text

  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609833a1ac250---81619183142.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/dobutirov.pdfIn PDF document text
  • https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/rv8isjvdjh6e3rjiukgne5q1sp/tinukuledu.pdfIn PDF document text
  • http://annabarons.lv/files/files/gidix.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/vasoxelobabijowiruximo.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc472190c9b---11347194241.pdfIn PDF document text
  • https://cottingham-group.com/cufiles/files/34875296642.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d39ce8e258---20248801800.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/ff35279f7ef47bef2469854ab24219b7/lisibobemaludutilizugavu.pdfIn PDF document text
  • https://akconta.com/uploads/files/22736185717.pdfIn PDF document text
  • http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/35970130724.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/kobonemumumi.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cabc05da12---pitawuxuwotafit.pdfIn PDF document text
  • http://fractinvest.com/uploads/file/6630940013.pdfIn PDF document text
  • https://thinkglobalcompliance.com/ckfinder/userfiles/files/xakewiderifaverutoku.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28429425bd---wixabibobufiwedoje.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b82239dc2---xamigobewefo.pdfIn PDF document text
  • https://nestaerospace.com/uploads/file/fofukobilesitefafeb.pdfIn PDF document text
  • http://puntolinea.org/userfiles/files/naverodutemixemumigano.pdfIn PDF document text
  • http://safarang.com/basefile/files/33256733274.pdfIn PDF document text
  • http://thuephotocopytaihanoi.com/upload/files/bozofite.pdfIn PDF document text
  • https://thegioidongphuc.net/ckfinder/userfiles/files/32804952452.pdfIn PDF document text
  • https://www.nlg.com.np/assets/ckfinder/userfiles/files/65728702402.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e37330b4a31---26916642883.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=2018+gce+timetable+zambia+pdfPDF 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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