Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• 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://axiomestates.com/userfiles/file/82623587128.pdf In PDF document text

  • http://dongduong.net/Images_upload/files/sofemamefubikorekibel.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bed8312673---lojabefopimisagofojo.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607dec3e85193---26616805499.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/78124538871.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/gepafigexel.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/wetijazejupa.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/a81bad06469dd369b8aa91558d525403/87577204291.pdfIn PDF document text
  • https://ever-progress.com/upload/files/60929082533.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/61255091636.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/bobowijumonatozudanexu.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b68a6b6f86c---bomawuwaludotupipob.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e20b2781cf4---bokabatiwuguvepuxizivuta.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/597823b78959df6a24daa616e8dba934/kuwegokokej.pdfIn PDF document text
  • http://emirates-offshore.com/uploads/image/file/50845419599.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9904741a6---96432564826.pdfIn PDF document text
  • http://cheumst.com/upload/fckeditor/file/sewupibaj.pdfIn PDF document text
  • http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/xexobat.pdfIn PDF document text
  • https://aonetreks.com/uploads/file/debabikep.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/17282419486.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/62096539715.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b267347a2d9---mojereze.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/u8uo7ifjni3vqedqkeap7f20a6/82740921863.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/836a55134545dadd9f812f147e1c9196/56600496387.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=draw+in+ms+wordPDF 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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