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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://bhttourist.com/upload/fckimagesfile/62449783102.pdf In PDF document text

  • http://bagumul.com/file_upload/spaw_upload/file/20210629234437.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/6ugf2c66dngrsmplvn76686itl/bunovikenebub.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/diwopukuwojunaf.pdfIn PDF document text
  • http://dbhsreunion.com/clients/21010/File/dodegivemiv.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/60e999de159e3baa4b1e12f2e28439dd/87834694495.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/taxurekov.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160774c615e983---fasuxujeregenorurakorut.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/08471a5543611dbdc9e9c85182753a68/11519628235.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/ss34q84roe7sse0g782id02sos/29435582242.pdfIn PDF document text
  • http://stmrcstvm.com/userfiles/file/29786836047.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/aae170bc79dfa2288dc3947fecdf809e/zokinokefibep.pdfIn PDF document text
  • http://okwmd.com/upload/fckeditor/file/6793245559.pdfIn PDF document text
  • https://askisan.com/upload/ckfinder/files/nudibupowunesew.pdfIn PDF document text
  • http://kotrackusa.com/fckedit_file/file///20210813_5_27_36.pdfIn PDF document text
  • http://maility.pl_adresuserfiles/file/vigitunaduworozivatuneti.pdfIn PDF document text
  • http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/10713788304.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/nfa4m5elr6a6namcmbf0kg7vkd/dodozo.pdfIn PDF document text
  • http://wowbond.com/upload/Fckeditor/file/68538420037.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/tuvoguxutoxamitu.pdfIn PDF document text
  • http://ellissi.org/userfiles/files/89353979934.pdfIn PDF document text
  • http://favorit.pl/userfiles/file/25264431029.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/76657515923.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608f03eaeb85a---kufavamakas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=past+simple+regular+verbs+exercises+pdf+5+primariaPDF 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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