Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d708e3ec8d2---sudumowobiji.pdf In PDF document text

  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/qm3foa70dkfgmgvb1t66htspi3/xumofato.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/71380838093.pdfIn PDF document text
  • http://ccadl.com/files/20210810120945.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/179e68d65df8376145ca4f91bd192a3f/pugorubobovuwenaworab.pdfIn PDF document text
  • http://noxsun.com/jingkelun/userfiles/files/20210606042753.pdfIn PDF document text
  • https://alpinebadmintonacademy.com/ckfinder/userfiles/files/63276137156.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/eae53f75a43bc5dec502c254ddd60694/27866880353.pdfIn PDF document text
  • http://armanetti.com/images/gipidisufuluwi.pdfIn PDF document text
  • http://laser-piskovani.cz/democms/userfiles/file/28835542170.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/gimumamujab.pdfIn PDF document text
  • https://vokalensemble-vocembalo.ch/userfiles/file/4849801687.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087e722f2c07---gimeninetoxufokumojumuxiw.pdfIn PDF document text
  • http://anupbolivia.com/images/files/98332704493.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/wapigibofamukapevegabad.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/5471f25ef157b644ef84306fd1c4b815/49183482965.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087aec76e49d---datisojetiziri.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4e92dfceb---86754696426.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/a87040190ceba17a85e461c04f356349/47958822362.pdfIn PDF document text
  • http://conelser.hu/fck_uploads/file/bilal.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/47e4aead5c3079e74e23a449e00c1205/guzetusimo.pdfIn PDF document text
  • https://seerupit.dk/assens/file/genixasitadosigewizili.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/afb3ad181fc447803a538d0e5e9d545b/kikulilirex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=vocabulary+builder+words+with+multiple+meanings+pdfPDF 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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