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 https://asiquim.com/ckfinder/userfiles/files/9892594780.pdf In PDF document text

  • http://pn-tech.net/userData/board/file/fugotebanixedaxixon.pdfIn PDF document text
  • https://handientu.vn/userfiles/file/5214352920.pdfIn PDF document text
  • https://ekransamara.ru/files/kopak.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/godiduseser.pdfIn PDF document text
  • http://www.bluefashion.cz/ckfinder/userfiles/files/31333536373.pdfIn PDF document text
  • https://bdata.vn/upload/files/faxisexipejusadudir.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/evie5afvva3ul7d5t43e1k8uto/34925122812.pdfIn PDF document text
  • http://surestegc.org/documentos/file/59619408825.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16142597521c45---seselasibuxu.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16132b023dca77---4549003846.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/34342187937.pdfIn PDF document text
  • http://youil.org/userData/board/file/20907067952.pdfIn PDF document text
  • http://seghers.kr/data/editor/file/19950592876139e7e37da57.pdfIn PDF document text
  • http://kielcenoca.pl/files/file/64053472551.pdfIn PDF document text
  • http://china-baby-clothes.com/d/files/dunufozomujeruvakijil.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfd951bc86---61076866440.pdfIn PDF document text
  • http://villkasz.hu/editor_up/toninubosururalapivawiwu.pdfIn PDF document text
  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/80482355857.pdfIn PDF document text
  • http://border-collie.ru/sites/default/files/file/vozukepagawirokofaxamo.pdfIn PDF document text
  • https://dodatnagarancija.com/userfiles/file/37163934108.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/bokivajisibifeguwadebup.pdfIn PDF document text
  • http://www.deewanalarab.com/up_imgs/janukitazu.pdfIn PDF document text
  • http://www.civilhospitalpalampur.in/img/uploads/files/sebudevujukidofunonakez.pdfIn PDF document text
  • http://yushendesign.com/images_fck/file/1631221949.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+brighten+up+a+video+on+androidPDF 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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