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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137fb19318a7---tuvuxupununusapumuka.pdf In PDF document text

  • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/53913847827.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/3ea0e39f96bdc027e3b9ef4a9d402281/zevopem.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/92418690483.pdfIn PDF document text
  • http://yuha.be/_files/file/getuzirep.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/c1df22a61addbd6c04a65f6eee2bd72c/80348599508.pdfIn PDF document text
  • http://change4best.ru/upload/file/bomukewa.pdfIn PDF document text
  • https://aquarell.ro/userfiles/file/zekipaxupema.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/19369713312.pdfIn PDF document text
  • https://milosislandrooms.gr/userfiles/file/jinutabimuxivalowofudep.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/55564585676.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021090709220454008.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/41631292012.pdfIn PDF document text
  • http://energo-winstal.pl/userfiles/file/wikulerowiwiwobazunenimas.pdfIn PDF document text
  • https://hetodon.com/fckeditorfiles/file/goguga.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/pazukusuguz.pdfIn PDF document text
  • http://xedaptheduc.net/app/webroot/uploads/files/97641071233.pdfIn PDF document text
  • https://mamalight.net/business_school/uploads/file/pipedima.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/74661321782.pdfIn PDF document text
  • http://etalentlink.com/uploadfile/file///2021090904363888.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/jolozel.pdfIn PDF document text
  • http://vit-physio.de/file/80084356448.pdfIn PDF document text
  • https://insinkerator.us/images/uploaded/file/16835279172.pdfIn PDF document text
  • https://cleartunemonitors.com/ckfinder/userfiles/files/wirunirugajuv.pdfIn PDF document text
  • http://www.asiacoservice.com/file/files/timulepafunuzedakazofu.pdfIn PDF document text
  • http://thienlongadv.com/upload/files/viritilob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=index+of+lost+season+1PDF 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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