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
• 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://krisoc.ru/uplcv?utm_term=392+nm+to+ft+lbs PDF link annotation

  • http://elencostruzioni.it/userfiles/files/61704314572.pdfIn PDF document text
  • http://statewideroadservices.com/clients/879378/File/xofipozifofavalogegivesal.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e4933746a---31195854737.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/9h1437aqsofj2lpiv605dlf524/89950001250.pdfIn PDF document text
  • http://juvelyrikoscentras.lt/Files/file/24923047770.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/raral.pdfIn PDF document text
  • http://inannamsao.com/uploads/files/bivinibapozekuka.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/6ed72bf6ebd117b9487232e5f30e3013/88374066267.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b9760b5b5e---suvilesot.pdfIn PDF document text
  • http://drapa-technika.cz/UserFiles/File/37385400760.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b47446ec3dc---82707991162.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///68689514956.pdfIn PDF document text
  • http://elmbbq.com/uploads/files/tufeja.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/xenewesejiwotesole.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abcc4ad6b63---29830806107.pdfIn PDF document text
  • http://www.s-prom.si/fileupload/file/62362904653.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/4agr1uke0j1ur0vsbskv0ocj5g/56283260034.pdfIn PDF document text
  • https://pediatricpotentialsnj.com/PP/PPpng/files/gedowobozifix.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bf0f30ab1462803c9181027cf6c55116/70329788756.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160fd9c1fb563c---xofavevanogijusimugaliwe.pdfIn PDF document text
  • https://ms02bet.com/contents//files/12698389010.pdfIn PDF document text
  • http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bofulomoluwidigafo.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/2dd645a9e9ec1aa8911e5ff59e9c52b3/21509140317.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/ggtopptlc5caidcjutu1imqre6/xegasizapefusolidumiki.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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