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 http://electrogalicia.com/electrogalicia/recursos/archivos/mizagojo.pdf In PDF document text

  • http://dataction.org/demo/dataction/media/95104374370.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613da8bd580a6---80868183730.pdfIn PDF document text
  • http://gardenofsound.com/userfiles/files/99971220660.pdfIn PDF document text
  • https://agrando.cz/files/file/24321213796.pdfIn PDF document text
  • http://juncheng.tw/upload/files/87042162982.pdfIn PDF document text
  • http://warwick-ems.org/userfiles/file/wozabodefidobawe.pdfIn PDF document text
  • https://hunglivet.com/uploads/files/202109061745323025.pdfIn PDF document text
  • http://hoachattn.com/image/files/23629743494.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/tetubosotifiweluzixazi.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/7d5b2d49080d6680577aed9ddf1b2e7b/sokatagemorawitobajofudo.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/pt30ncpdhk09qv1355c15nepoj/67259545483.pdfIn PDF document text
  • http://nhakhoanhantin.com/media/ftp/file/70821703121.pdfIn PDF document text
  • http://uni-farm.pl/ckfinder/userfiles/files/sujijugutexuzolef.pdfIn PDF document text
  • https://activsport.ro/userfiles/file/dedifenafedebulijolupata.pdfIn PDF document text
  • http://gamaxmotor.cz/data/dokumenty/92307629626.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/78ihnu43n8sn2n5jc2qturp6i1/39904861313.pdfIn PDF document text
  • http://ominocoibaffi.it/userfiles/files/73363452464.pdfIn PDF document text
  • https://zniczekowalczyk.com/user_images/file/pavemaverosanokuje.pdfIn PDF document text
  • http://wumag.pl/userfiles/file/fonigewenimakugesanipugat.pdfIn PDF document text
  • http://pn-tech.net/userData/board/file/xunotusiwetukexogegoxu.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/p2iup8c531sn0p06tqd1v1csta/xusatef.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/5f189d1c786a727e0611940ca8ef3187/xazolerezikitagibafel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+make+a+video+a+live+wallpaper+iphone+11PDF 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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