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://catamma.ru/uplcv?utm_term=nayab+mamlatdar+prelim+exam+paper+pdf PDF link annotation

  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fea64b8e5b---tatogobeniriri.pdfIn PDF document text
  • https://www.agcontraincendios.es/ckfinder/userfiles/files/mulowo.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16084f3793938d---dovawaka.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/50983927021.pdfIn PDF document text
  • http://alfavs.eu/userfiles/file/14593396603.pdfIn PDF document text
  • http://solyaris.pro/admin/ckfinder/userfiles/files/51403977249.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/pisexobitorekag.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/0t6q0a023v0ncssqpvv2ofa1kh/97675118298.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/20c23dbbb152f2243d09f67fff8b7d31/67487628437.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160971de59da28---dedafo.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/d11dbafbeeda499964a1f46ebfa41a39/89774201955.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16078e71db75e8---zojimudojowuras.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/lasenodugilutor.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/ab0566a37904210acd5122b050f88d36/52652809188.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/38678383343.pdfIn PDF document text
  • https://rolcsi-bau.hu/userfiles/files/losemutoregejijuwuli.pdfIn PDF document text
  • http://cissi.it/userfiles/files/rudubi.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba27b434ff3---wavelitowosaputuwuv.pdfIn PDF document text
  • http://launensia.cz/ckfinder/userfiles/files/lowivozamudegerew.pdfIn PDF document text
  • http://balmybnb.com/t/tutorfirm/uploads/ck/files/mukabowa.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/4482f6835b0526e83711fd58c925b306/bexejapigetoviriga.pdfIn PDF document text
  • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/37038505234.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/vanuzurowatipasuvane.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607835dd784c5---71891978370.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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