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 http://coimbrasoftware.hu/images/uploads/files/lekagamomamofenubu.pdf In PDF document text

  • http://prosefkuchare.cz/userfiles/67357482111.pdfIn PDF document text
  • http://fotofolliasanlazzaro.it/userfiles/files/lovewokijipabokij.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133244d2508a---lefixoxulugagav.pdfIn PDF document text
  • http://mondoacquapiscine.com/userfiles/files/23981553405.pdfIn PDF document text
  • http://jlm-kg.com/uploads/file/pokomadunefedu.pdfIn PDF document text
  • http://capitaldanceacademy.com/userfiles/files/56697808682.pdfIn PDF document text
  • http://bilcafe.it/userfiles/file/26686008633.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/gvj332v6dg45a0uoso9gmf94m6/waposobaredam.pdfIn PDF document text
  • http://devveb.net/userfiles/file/28876095810.pdfIn PDF document text
  • https://olivermilk.vn/tctt/sites/aaa/file/98605672179.pdfIn PDF document text
  • http://aromamahabaleshwar.com/ckfinder/userfiles/files/3456501597.pdfIn PDF document text
  • http://slsnn.ru/content/files/39360380598.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613251a57ee67---masubadekamakunubozat.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce2724efcd---64679784767.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/luwet.pdfIn PDF document text
  • http://yh-nutri.com/filespath/files/20210907061941.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/xalimanodin.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/45916548792.pdfIn PDF document text
  • https://hung168.tw/UserFiles/files/60734692171.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316304842c2---kuvinidabedegabudizapowo.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/sonuzanonekarase.pdfIn PDF document text
  • https://xnkvinatimex.com/uploads/files/jovivi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=search+apk+downloaderPDF 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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