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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://bubafoxir.weebly.com/uploads/1/3/0/8/130874260/pawonufijemaden.pdf In PDF document text

  • http://macro-e.com/app/webroot/userfiles/files/52845275408.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/162400d5468798---vosibumomixifogozudumita.pdfIn PDF document text
  • http://sklenicky-obchod.cz/web/admin/fckeditor/userfiles/file/zelijonewujininozenit.pdfIn PDF document text
  • http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/pegupekodimoletozujevuw.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/uo9nuq4m0ohtrcpj7mbgamok0q/zevozositafifalikedexutu.pdfIn PDF document text
  • https://fuxomiluzixoxam.weebly.com/uploads/1/3/4/5/134594746/8421782.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/68702229596.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1620332d91d5bd---70541596235.pdfIn PDF document text
  • https://laniguxademe.weebly.com/uploads/1/3/1/4/131452878/ccfca98d.pdfIn PDF document text
  • https://rodifeganugupi.weebly.com/uploads/1/3/2/8/132815003/4320226.pdfIn PDF document text
  • http://inkubatorhaz.lenti.hu/feltoltes/files/21886387755.pdfIn PDF document text
  • https://bemijojedir.weebly.com/uploads/1/3/4/4/134479802/roxenarijuresulaxa.pdfIn PDF document text
  • https://fetevosave.weebly.com/uploads/1/3/1/4/131438058/efb1e866.pdfIn PDF document text
  • https://forssah.co/userfiles/file/dapopagumixiluwolafapo.pdfIn PDF document text
  • https://majizozu.weebly.com/uploads/1/3/4/5/134598595/785e47b9e.pdfIn PDF document text
  • https://bangkokmagnetwire.com/ecodev_test/image_system/files/rusoj.pdfIn PDF document text
  • http://portaldeaquidauana.com.br/ckfinder/userfiles/files/wigupudo.pdfIn PDF document text
  • https://mifuj.co.za/YmrXLWy8?keyword=ejercicios%20de%20suma%20y%20resta%20para%20imprimir%20en%20pdf%20en%20wordPDF 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 extracted file (font_00_sfnt_off0000bb8d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bb8d.bin)

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