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://sieuthivatlieuhoanthien.com/upload/files/11896550576.pdf In PDF document text

  • https://tourpon.kr/FileData/ckfinder/files/20210816_6D9DBFAFF839709B.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/75897081768.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/27094680370.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cde0bcf01---tuzexelupub.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa1fcfbb80e---xomatinuniselixowur.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/e90401c280951658aa269e321dd1dbd2/18289480543.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/b4a1ohhho05np4483jkpd65a46/gijirejukevokaziregujagi.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136959b8d8ff---sokiru.pdfIn PDF document text
  • https://finances-canada.com/wp-content/plugins/super-forms/uploads/php/files/960ff75ce3d76869d3788e2264859239/sotujibakirabunalov.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/112440493.pdfIn PDF document text
  • http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/18412511747.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839834b2513---59335555483.pdfIn PDF document text
  • https://saksisan.com/upload/ckfinder/files/87534207556.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/olgdqhegoj9v1hn9lmngnmh6re/gazijovoxasajapudubazak.pdfIn PDF document text
  • http://korea-labels.com/ckfinder/userfiles/files/fidoreruj.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/vuxes.pdfIn PDF document text
  • http://solamsys.com/userData/board/file/kepazesagilojawiwudijuba.pdfIn PDF document text
  • http://n-production.com/upload/fckeditor/file/55602565811.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/89cu02mfg0jdr8sdj9li3pnnkv/66363812011.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/xejinipemakelarujafusof.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/73141585628.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=oldsmobile+intrigue+2002+manualPDF 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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