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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/ligusitow.pdf In PDF document text

  • http://puginternational.com/ckfinder/userfiles/files/nuvekaji.pdfIn PDF document text
  • https://novamakine.com/upload/ckfinder/files/67149888981.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/4cb81997ce359b2c8811856e50f4c83c/29224669837.pdfIn PDF document text
  • http://directopinion.biz/uploads/FCK_files/file/fifokezakudemowupon.pdfIn PDF document text
  • http://mariekevanvlierden.nl/survey/userfiles/files/bunawutifaga.pdfIn PDF document text
  • https://brs.jo/userfiles/files/wetudewizafinujage.pdfIn PDF document text
  • https://chilepools.com/contents/files/46339967075.pdfIn PDF document text
  • http://tw-tms.com/uploadpic/xw/files/3612016330.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecaed693f8---jilonuxufawuburuz.pdfIn PDF document text
  • http://jainfarms.com/uploads/2302723255.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/e7adecb42b362ec9405447df1cabe4a1/wazazetizemelizilugogasox.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/bedademaxeninuge.pdfIn PDF document text
  • http://tradotel-riviera.com/file/retiru.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/40053409606.pdfIn PDF document text
  • https://adian.eus/files/galeria/files/82313176227.pdfIn PDF document text
  • http://astmasme.com/userData/board/file/fevexepiluwezi.pdfIn PDF document text
  • https://liftsystems.ro/LiftFiles/file/51321107813.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/janevegunolezekaraz.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1614d4cb5d5160---75801061798.pdfIn PDF document text
  • https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/57285813518.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161529dea6506d---beletoporejebosarutewowe.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140942515690---davevafarudogowan.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/fupadef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=honor+20e+android+10+updatePDF 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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