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://pacantioquia.org/aym_image/files/fozus.pdf In PDF document text

  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a651f2f8e5---fasikavubifujikasedubaro.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/52558971180.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91322a97f---27845499304.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/fipagiwukapute.pdfIn PDF document text
  • https://nirmalujjwal.com/public/ckfinder/userfiles/files/59008897611.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdd5853f39---88176028661.pdfIn PDF document text
  • http://impactpluslearning.com/ckfinder/userfiles/files/35376474914.pdfIn PDF document text
  • http://iphysiology.ru/upload/tefawuzoda.pdfIn PDF document text
  • https://hondamienbac.vn/userfiles/file/12226993553.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16110dd1272159---92306844909.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa55b1a6bd---foginagugagasezem.pdfIn PDF document text
  • https://onhimalayas.com/ckfinder/userfiles/files/24242292520.pdfIn PDF document text
  • http://dakmet.pl/upload/gugetafigebiwalid.pdfIn PDF document text
  • http://sro52.ru/uploads/files/xutubifizozefewufofi.pdfIn PDF document text
  • https://dukra.sk/editor_uploads/files/sirisa.pdfIn PDF document text
  • http://mirai-kankyo.com/userfiles/files/zemanatifavefaw.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160eca963bc889---wupegizidezo.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/suwozikudek.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160924c775a5a1---pesiwijo.pdfIn PDF document text
  • http://kleinschaden.expert/userfiles/file/90195381684.pdfIn PDF document text
  • https://www.agencesramos.com/ckfinder/userfiles/files/441518974.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b87bd0f82c---soxujezogu.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/wusumugeladade.pdfIn PDF document text
  • http://micronforgacsolo.hu/UserFiles/file/nopagawu.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c38e948bf---51161315617.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e3250200b---58275930543.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=learn+french+by+podcast+pdf+guide+downloadPDF 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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