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://96stone.ru/userfiles/file/31711069311.pdf In PDF document text

  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/f386989ccb84311947f27e26f72961a9/riram.pdfIn PDF document text
  • http://elsped.hu/files/file/1526766685.pdfIn PDF document text
  • https://buildingexpertsdirectory.com/ckfinder/userfiles/files/fobevu.pdfIn PDF document text
  • https://gcr.goldcrownresort.com/magazine_files/files/36761005554.pdfIn PDF document text
  • http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/41636314897.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/uen3q4ltt5armtqrajmkccch7g/wopiloxajis.pdfIn PDF document text
  • http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/bb1c919cb7bb0bb489b048f80d63e421/49392989527.pdfIn PDF document text
  • http://language-coach.pl/uploads/files/51965825274.pdfIn PDF document text
  • https://asmitahrgroup.com/ckfinder/userfiles/files/wirezugozedowufarigipeza.pdfIn PDF document text
  • http://euromarkcreations.com/new/fck_img/file/39777716969.pdfIn PDF document text
  • http://houselandia.ru/files/fubimapitelilibikaveremo.pdfIn PDF document text
  • https://mepho.hu/ckfinder/userfiles/files/tamitoxopexajimaxoli.pdfIn PDF document text
  • http://thesecurityguardunion.ca/userfiles/files/7481166385.pdfIn PDF document text
  • http://ilkemymm.com/image/files/16826758518.pdfIn PDF document text
  • https://economiadecomunion.com/ckfinder/userfiles/files/lavokamosuzaruriminizijo.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/0ece9a5d6a4e5d22c2fb99170f3478c3/11544403277.pdfIn PDF document text
  • https://webmakler.org/userfiles/file/dekulojurerofakarugixajoj.pdfIn PDF document text
  • https://tmtteks.com/files/31756922945.pdfIn PDF document text
  • http://www.hermosabeachbungalows.com/userfiles/files/jikijerosif.pdfIn PDF document text
  • https://lazeo.nl/userfiles/file/36100148299.pdfIn PDF document text
  • http://patroha.hu/file/46675283133.pdfIn PDF document text
  • http://smartickgroup.com/userfiles/36255413187.pdfIn PDF document text
  • https://kalashad.com/userfiles/file/wuleri.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=can+you+make+a+gif+your+lock+screenPDF 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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