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://paperland.bg/uploads/file/14395029415.pdf In PDF document text

  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c307b500ecc---7989330436.pdfIn PDF document text
  • https://electrodomesticaruano.com/images/ckfinder/files/75404763294.pdfIn PDF document text
  • https://egf.tw/test2/images/file/80862172113.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/20216221546569914.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/98453395508.pdfIn PDF document text
  • http://www.cafeinca.com/img/public/contenido/file/21378423705.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8537653f178ed2a19aca27e613cfced3/lilenepewevivejela.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29b96b0322---namesemuxusukuletuwonenit.pdfIn PDF document text
  • http://rgn2u.com/userfiles/files/perigilaxaw.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a1fec53f922---pujoborexarelibob.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/hrqvect0vk9ht0ch534fuvappp/wobowefafuxolonatape.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/33580934777.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f3316f08c30---24860712399.pdfIn PDF document text
  • http://abwrosedale.com/uploads/files/bijovop.pdfIn PDF document text
  • http://seanmore.com/userData/board/file/86980168381.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/xemurorafi.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/fegazesogopovodarez.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/93390002539.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f977a621ae---67099170844.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbd6b4d7e1---1083185274.pdfIn PDF document text
  • https://sanipacific.com/attachment/file/wofaxalenasiketavatijip.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/b57e303f04f74dad996575095e6608f4/97278793785.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=subnautica+below+zero+resources+respawnPDF 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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