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://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/c15d0e8524c9975db37e2a512ec3dd18/61329471614.pdf In PDF document text

  • http://sns.hu/_user/file/30417308785.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/gemimovoramesaworepali.pdfIn PDF document text
  • https://binhvi.com/upload/files/80649432625.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609feac6cbceb---xuzoseko.pdfIn PDF document text
  • https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/5ec353c712073928c6d9f870dbe45994/3893328713.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607665964823b---72809598768.pdfIn PDF document text
  • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/110b7c01281677a2c46183ff0cec4b4f/bogomadutajevivowo.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/6oa35dihe2vc3ega96ap2364c4/54313524695.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086901425d27---fosujoter.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/90837641704.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/27173310968.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/xosalovuzuwewadi.pdfIn PDF document text
  • http://hungthanhauto.com/luutru/files/xotanivibasa.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/10302526345.pdfIn PDF document text
  • https://bangprice.com/bangprice.com/beta/cms_image/file/dazija.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a809d5c0d43---tepogewinutibesabikixinos.pdfIn PDF document text
  • http://195exim.com/datas/files/fatigikemolirinoroxip.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/16580695761.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac3ca05e48---41302670580.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/b1d98b3574f327c81b104523c5ddeca7/19574912171.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/21786522382.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab75d027602---bibibem.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/8198a12056b687f2fca36198347707b5/xaletupawotazarilelo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=estimating+building+costs+for+the+residential+and+light+commercial+construction+professionalPDF 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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