Malicious PDF — malware analysis report

Heuristics 6

• 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 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://yuc-fac.com/uploadfiles/20210722204229.pdf In PDF document text

  • http://prochem.vn/images/uploads/files/mewor.pdfIn PDF document text
  • https://bouveau-consulting.com/userfiles/file/femozage.pdfIn PDF document text
  • https://tw-itemaos.com/ckfinder/userfiles/files/59268316533.pdfIn PDF document text
  • https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/3e0a27299cb400cfed4e8b5f16da6ac9/85045704305.pdfIn PDF document text
  • https://labelmarket.pl/data/file/15493675104.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/ee1b54241d313ca5b6e397e243893618/57264801072.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/50p44srb8tccg31okq0rm0la55/buvevaxeno.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c5abd006980---12524135326.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/pogoruru.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/8921c6a188807b06ab25df95fc14522a/99447418731.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ja1jithvnpvj5cbi2u5eh6fne2/zaxaluse.pdfIn PDF document text
  • http://peak-experience-japan.com/images/blog//file/33118049222.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b32c6b42e67---90968099194.pdfIn PDF document text
  • https://szekszardportal.hu/userfiles/file/86809794944.pdfIn PDF document text
  • http://playeasypiano.com/resources/fck_images/86561363468.pdfIn PDF document text
  • http://gwtcs.org/Content/uploads/files/48703283331.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3f19292c2---manujigojumuburakekomod.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/op001cgqvcj91el5pd7udkd6j2/kuzilubizupanezirujudilo.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/onf4ipiob690hdk1gl5jg24rig/jagifiju.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/60394be9117d27aa77c37b9aa6d26329/67221286757.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/82c89f602369db01a80996b96e031729/70938641135.pdfIn PDF document text
  • https://tyko.pl/userfiles/file/zelelidozot.pdfIn PDF document text
  • http://sochisushi.nl/survey/userfiles/files/71134890499.pdfIn PDF document text
  • http://razzledazzleevents.in/userfiles/file/8816580089.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=kellogg+briand+pact+pdfPDF 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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