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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://areopag-group.ru/sites/default/files/uploads/fipinufoxiwejapu.pdf In PDF document text

  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161482dca5a7a0---gomixuwejesumemalizepuwe.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/12682246757.pdfIn PDF document text
  • https://www.agencesramos.com/ckfinder/userfiles/files/73791146708.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/43947017979.pdfIn PDF document text
  • http://perchegouet.com/ckfinder/userfiles/files/8917135370.pdfIn PDF document text
  • https://pilot-nav.com/ckfinder/userfiles/files/64717858605.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8b4a1193c2dfb97ceb20c9fad3301adb/gexorivojokazuxosuligez.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/87823157171.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/56419353166.pdfIn PDF document text
  • https://smg.bid/ckfinder_userfiles/files/jisekabefo.pdfIn PDF document text
  • https://amzentransportationindustries.com/admin/imagetemp1/file/9071874185.pdfIn PDF document text
  • http://compufoxmail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/57400789819.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/161407fcf103ef---kegejomu.pdfPDF link annotation
  • http://harryreichert.de/uploaded_pics/News/file/21058285933.pdfIn PDF document text
  • http://midel.me/userfiles/file/85633330165.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388057dfe54---31264370252.pdfIn PDF document text
  • http://avvocatogiuliani.it/userfiles/files/96879241461.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/fapavulususik.pdfIn PDF document text
  • http://www.jobibon.com/admin/userfiles/file/33220014944.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6bc35b69c---teramoroziroguxerigupiza.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/50872538347.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=afrikaans+keyboard+for+androidPDF 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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