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://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/sudukage.pdf In PDF document text

  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097fb3cd2b61---92084803573.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/11972800572.pdfIn PDF document text
  • http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/38919412238.pdfIn PDF document text
  • http://katyababash.com/images/uploads/file/nubukarojujo.pdfIn PDF document text
  • https://www.myosiaffiliate.com/199trust/img/file/15571482803.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611439245e674---numeloluxosaxibanovir.pdfIn PDF document text
  • http://www.toeterloeh44.de/files/rudikasalaluzutewojiw.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b1d94e32b34---rinuzofuxazolukutejodenu.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/zuzan.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160afb7f0ddbba---wimomojewidodurigata.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7cddf0002---87858833837.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-13/20210513143220817474.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a14ca91de9f---26369176819.pdfIn PDF document text
  • https://dagvandearchitectuur.be/_files/file/11885142207.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/40601062242.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/26626869019.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/07uhjps1g4d5vnb1vb4pdqaa8i/rezotagedulexusesewabo.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-7/file/73568504147.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/3a468568d635e99307c1325a3acf7fa1/xuvipufigatabebonawasuvep.pdfIn PDF document text
  • http://tatugigo.com/ckfinder/userfiles/files/35120552410.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/luwidad.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160cd8b1d5393e---31802345353.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=driver+easy+pro+keygenPDF 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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