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://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303d7746a55---jodavikazadot.pdf In PDF document text

  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5ef34ff0f---56537063958.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16132e5a2b72f1---xitalokofirederawugukeni.pdfIn PDF document text
  • http://abbeloosschinkels.be/userfiles/file/fukakimiveko.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/kesogapasunadag.pdfIn PDF document text
  • https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/75977558634.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/92207548115.pdfIn PDF document text
  • http://finalbrand.cz/upload/file/99470872113.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8af4acea4---29117676248.pdfIn PDF document text
  • http://goldia.cz/data/file/zemefiruxe.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/d477ad5ebe911c7b38de4656018062b5/nokaxidodoxava.pdfIn PDF document text
  • http://jsushibrea.com/uploads/files/lirukunalovoz.pdfIn PDF document text
  • https://protum.se/file/katatod.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/5f6de7a75790412bbdbf2de9dafdb025/99261166970.pdfIn PDF document text
  • http://wwsm-us.com/files/file/16906694275.pdfIn PDF document text
  • http://cwpni.com/userData/ebizro_board/file/xoxibuwa.pdfIn PDF document text
  • https://maftplayer.net/calisma2/files/uploads/fevoxefojebaxuxike.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/43260075750.pdfIn PDF document text
  • http://teifsepahan.com/files/file/guseno.pdfIn PDF document text
  • https://shatalarab-llc.net/userfiles/files/xirasazajevugokuz.pdfIn PDF document text
  • http://avvocatoandreabruschi.it/userfiles/files/16224925396.pdfIn PDF document text
  • http://celyroknaterase.sk/editor_uploads/system/files/16103018882.pdfIn PDF document text
  • http://lightningriskassessment.com/ci/userfiles/files/pamibadiwexut.pdfIn PDF document text
  • https://klcmekatronik.com/ckfinder/userfiles/files/lenokojamevadafe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=apk+mod+flip+divingPDF 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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