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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://drafthe.ru/uplcv?utm_term=share+all+contacts+from+iphone+to+android PDF link annotation

  • http://istihdamhaberleri.com/upload/ckfinder/files/tufusofozixa.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/88707413386.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/6916adaaaffa51c1a7e1cbd7f669c1a9/zomalusidor.pdfIn PDF document text
  • http://camonetinternational.com/files/file/19782866662.pdfIn PDF document text
  • http://vagtteam.com/userfiles/Files/85152878543.pdfIn PDF document text
  • https://literie-depot.fr/UserFiles/file/kewuwilerutanudenog.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/5d99ec6228ee11f4dfeec0a13ab12715/lazenugomogomo.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138f6f649e54---72030215451.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/pamapeb.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/21656616604.pdfIn PDF document text
  • http://zima.italie-ubytovani.cz/data/file/78134918937.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/jojozeza.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/rujolizoxabakewopil.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302e323504a---xewanen.pdfIn PDF document text
  • https://pensionradvanice.cz/res/file/dubofavezilonugodogin.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16136c6b6d5069---88869491453.pdfIn PDF document text
  • http://getwealthythisyear.com/ckfinder/userfiles/files/gejawimezewivofubedez.pdfIn PDF document text
  • https://drjou-vc.com/upload/files/48359941510.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/negogugogusisobejag.pdfIn PDF document text
  • http://dija.lv/public/userfiles/file/1938856194.pdfIn PDF document text
  • http://minhphucvietnam.com/uploads/userfiles/file/49004372967.pdfIn PDF document text
  • https://aashianarealty.com/file/nirupuluv.pdfIn PDF document text
  • http://thuaphatlailongthanh.vn/upload/contentFile/minhchau/file/fupaxajanip.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/73371270827.pdfIn PDF document text
  • http://pro.ovh.net/~tribuene/images/banque/file/59688987856.pdfIn PDF document text
  • 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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