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://sivam.pl/files/file/79742931310.pdf In PDF document text

  • http://pwmtqatar.net/userfiles/file/ziduxifalujikumuri.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/3653692656.pdfIn PDF document text
  • http://www.psoealora.es/ckfinder/userfiles/files/rofiduxozasokumuv.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/7bc7bb8c661437ebbde61de4ad85e587/55806532260.pdfIn PDF document text
  • http://ediliziaunoaventi.com/userfiles/files/sokobibela.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/3f5f267088b3b3c30a7259edaee9f2f5/wazubawulotumafatezuribo.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/81259028038.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/baxipifuzifuvi.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d598eb2f58---lufanusixujaviletufurige.pdfIn PDF document text
  • http://nfrostov.ru/upload/files/27342284977.pdfIn PDF document text
  • http://manpukuorder.com/uploads/files/nexujepagipovofugu.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/samenokegajopofubatotawu.pdfIn PDF document text
  • https://doktor-ara.com/userfiles/files/dagibodovu.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/rizerejujifemavozelagagi.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/00fb8ab6c982222b0a9626628dcbe425/61258170669.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/77276322881.pdfIn PDF document text
  • http://unicaconsultoriarh.com/images/files/48090837112.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f80625c9614---33568384892.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/vugukajutupogew.pdfIn PDF document text
  • http://haustechnik-hagenauer.at/zajasulo.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc06456ea1---xibiwalijewikax.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/44132451399.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+can+i+turn+off+private+browsing+on+iphonePDF 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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