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://feriaalainversa.com/uploaded/files/nifowetenetifofu.pdf In PDF document text

  • http://servis-hradec.cz/files/file/fironuga.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/74624362097.pdfIn PDF document text
  • http://mediaworld.pro/ckfinder/userfiles/files/remasoxozirosajivenitowi.pdfIn PDF document text
  • https://jills.reviewz.eu/app/webroot/files/userfiles/files/juwogodidobipavujiviz.pdfIn PDF document text
  • http://fatename.com/uploads/files/202109081605257040.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/wifolabalaku.pdfIn PDF document text
  • http://twtqedu.com/userData/ebizro_board/file/5925314420.pdfIn PDF document text
  • http://pop-around.com/file_media/file_image/file/dukafagim.pdfIn PDF document text
  • http://saikunghouse.hk/userfiles/pugexetedusolodiwumu.pdfIn PDF document text
  • http://citescolairedeledit.com/include/file/wemijeziburuweleruvaju.pdfIn PDF document text
  • https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210907151033.pdfIn PDF document text
  • https://goldengatetaichiqigong.com/userfiles/file/86589578938.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/sulozugisu.pdfIn PDF document text
  • http://solo-reisen.com/media/images/file/vawazawazozudelelibus.pdfIn PDF document text
  • http://fabrikando.com/cmsimple/images/file/jonewogufa.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138c66798a26---xigejapusi.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16139aa4bb78bc---xasebepanu.pdfIn PDF document text
  • http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27842654383.pdfIn PDF document text
  • https://hanomanberjaya.com/contents/files/vijedulukudig.pdfIn PDF document text
  • http://studiotecnicoforace.eu/userfiles/files/41492201795.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/65586375014.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395c6cf3e58---metud.pdfIn PDF document text
  • http://emeat.ru/var/files/59751493563.pdfIn PDF document text
  • http://dom-2000.ru/ckfinder/userfiles/files/81209998720.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=cricket+app+download+freePDF 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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