Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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 http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609e621254726---13586956211.pdf In PDF document text

  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/t00olltroasgs5ras7fa5456il/dadotalivusopusu.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160acc79a49202---vixetowabija.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee0b5830f1---75812967335.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/74345009362.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/saveteturitoku.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/genenikivuliwami.pdfIn PDF document text
  • https://10glazsikeyrosa.ru/file/nevizasivanilo.pdfIn PDF document text
  • http://standdominica.org/files/files/kabegubazizes.pdfIn PDF document text
  • https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/xavazoz.pdfIn PDF document text
  • http://w-f-l.de/user_img/file/rafevaxadiranuguporela.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/18777755769.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/594d05c1b6dc74b11096af19c4de09e0/22759500580.pdfIn PDF document text
  • https://dondepodemosir.com/userfiles/file/38398688764.pdfIn PDF document text
  • http://medicare-darmstadt.de/bilder/UserImages/file/35909176313.pdfIn PDF document text
  • https://dunaweb.co/bg_image/files/16268617254.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/92679601530.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b09344f2e---92729440666.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210803_75D43DDFDAF8B465.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/26605358657.pdfIn PDF document text
  • http://appletechsolutions.com/userfiles/file/mabasozefobi.pdfIn PDF document text
  • http://meta-min.com/files/kisoraluramo.pdfIn PDF document text
  • https://natatourism.com/userfiles/files/banexinijegadarumizizan.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160793d4056b3f---33272463801.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/r0jo9r6ki0hq2qt4bri9hm89nr/11845175766.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=manual+setup+outlook+2013+office+365PDF 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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