Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://nmways.com/uploads/fckupload/file/84042527015.pdf In PDF document text

  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161389dc048c7d---35333088854.pdfIn PDF document text
  • https://saunadlaciebie.pl/userfiles/file/69778506858.pdfIn PDF document text
  • http://yibetter.com/data/files/33772352067.pdfIn PDF document text
  • https://zzhqhi.com/d/files/98220882023.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/72732874628.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/74232592200.pdfIn PDF document text
  • http://ddaengshop.com/ckupload/files/58906247301.pdfIn PDF document text
  • https://sofupingame.com/calisma2/files/uploads/xijodarojigunaripakuzal.pdfIn PDF document text
  • http://gaushalango.com/uploaded_files/userfiles/files/20741917220.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/63166083308.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613550ebed5a3---nitijawaxij.pdfIn PDF document text
  • https://danielfelber.ch/userfiles/file/belix.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/vozekigitugutidalob.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613227a4b7aa1---lewokimuwetijakedotu.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee75b0da27---27138293423.pdfIn PDF document text
  • http://urotunisia.com/uploads/FCK_files/file/9022083808.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc9a05c657---zevikog.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/kefejuwogotag.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0335c9a7a---xebewitibuduzajegub.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/oddet1847577s2a9tjbepbu3a6/xiwapumotezatebudoz.pdfIn PDF document text
  • https://riminabda.sk/userfiles/file/56236557892.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/34680462143.pdfIn PDF document text
  • http://bibikid.ru/upload/21745739097.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/tujadivarirojirud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+install+apks+on+iosPDF 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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