Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://allytemp.ru/uplcv?utm_term=mudar+conta+gmail+no+android PDF link annotation

  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd83f2fb77---34790088237.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161308521864ca---74476991487.pdfIn PDF document text
  • http://intproplaw.com/admin/uploads/file/74710795374.pdfIn PDF document text
  • https://chingchia.com/uploads/files/202109112323201786.pdfIn PDF document text
  • http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/muzopiligep.pdfIn PDF document text
  • http://kowalstwwo.pl/public/cms/images/file/96656285477.pdfIn PDF document text
  • https://rwd1.thadv.com/upload/files/figavixivixe.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613717db1b9ab---giwizimes.pdfIn PDF document text
  • https://ego-sofa.tw/uploads/files/202109150438561780.pdfIn PDF document text
  • https://ka-base.no/images_content/file/81308704265.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/rusubopidipuwujumanelodur.pdfIn PDF document text
  • http://oshcongregation.com/userfiles/file/75702950059.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/rapesakexeratu.pdfIn PDF document text
  • http://muntepa.com/userfiles/files/lomidukuxom.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/mukasexanivazu.pdfIn PDF document text
  • http://ukicda.com/admin/fckeditor_upfiles/file/2021090915174080554.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/j6k44grrnsp8h9ntens8iibh6p/dugekifiruwaxibesikep.pdfIn PDF document text
  • https://247christianity.org/fckeditor/userfiles/file/442511058681630462301.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9c628985d---riwuwudogizetoba.pdfIn PDF document text
  • https://groupunsur3.com/contents/files/vafuvazodidinumom.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/15403927360.pdfIn PDF document text
  • https://dubaimotorcycletours.dubaimotorhomerentals.com/uploaded_images/files/wofosilosidikepasefaret.pdfIn PDF document text
  • https://trinityautorepairs.com/uploads/files/dejexukam.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/607a4c1ce438485d21d5f6f6b59b8903/96146285014.pdfIn PDF document text
  • 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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