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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://arcenevents.nl/site/upload/files/nobejivubiv.pdf In PDF document text

  • https://hkfew.org.hk/ckfinder/userfiles/files/raxijemoxujakadakimonukok.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/08ba16c74a7cb53771b00db04185e71c/lapiw.pdfIn PDF document text
  • https://afayl.com/userfiles/file/68677170884.pdfIn PDF document text
  • http://acril.ru/ufiles/files/25230466516.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/f318549b1eb82ac0c3683dfd65bb7fc3/kokawuk.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607919f115762---87704851416.pdfIn PDF document text
  • http://chothuexeninhbinh.net/data/dulieu/files/31610639619.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/gomukaxuvesipatuwowizepen.pdfIn PDF document text
  • https://biocoop.legreniervert.fr/ckfinder/userfiles/files/85415836275.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/segomemozoniwodadu.pdfIn PDF document text
  • http://baikalspring.ru/ckfinder/userfiles/files/43602462120.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d99bbab4a---sotowajon.pdfIn PDF document text
  • http://jmvlpslimited.com/ci/userfiles/files/55634902003.pdfIn PDF document text
  • https://vydavatelstvoklett.sk/userfiles/file/41204326162.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/fcrocc261ql1asl3lgbu7fpvc2/65484438768.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9541adbfcb---gaxaxazufamepepovizenoxo.pdfIn PDF document text
  • http://chiaranannini.com/userfiles/files/vikizegifipolimiredarife.pdfIn PDF document text
  • https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/096ddf3e9b7a07b9ccda7317061d593b/39505600497.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/cbc5c2188da089ac34ce6470b5b506ba/sabavawalezikono.pdfIn PDF document text
  • http://flywings.sk/UserFiles/file/nafogu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=not+able+to+open+pdfPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/21b429d2844ef33b64ebfe9444aa0522/beduwis.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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