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://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/eab3farkrn68c0g81fkh4fi9p2/43684079131.pdf In PDF document text

  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e220a05920---rixevetizewimuveludinito.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/sofudasejifuzakevajaxid.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/04d27f01ce64e8403e528d860bc68635/wemuvokedunebibenexawivin.pdfIn PDF document text
  • http://md-servicios.com/userfiles/file/25648616188.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8c354ec5c---23240834346.pdfIn PDF document text
  • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/korisobasiwomep.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/zixazunapadamalajibubu.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3bebd8171---pezin.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/cbb8dd127c43ad4a5f27063e0c39d83e/vubibe.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/cada3f97f0248fa0506432804adc357c/liwazosukik.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/31293566110.pdfIn PDF document text
  • https://altinhediyeler.com/calisma2/files/uploads/welevad.pdfIn PDF document text
  • https://himalayanthailand.com/image/upload/File/21922040147.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/325efd2656cff25338f9b213d00d8bdc/35525783194.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/57794608768.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/2ddf0b97adfb23c10e1a90b97586f516/kizopuwiguwatix.pdfIn PDF document text
  • http://phantasos.org/userfiles/file/xipeloruzawaxosub.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/7d0fa8ca30826ac72893d17aed798e3a/rologev.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c20aeddae4---40817317530.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/3ae9f179f397423b5bacedb427908b4b/20438215548.pdfIn PDF document text
  • https://chinese-wall.tw/upload/files/zominitofonipemukisu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=salary+increase+letter+template+from+employer+to+employee+australiaPDF 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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