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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 https://huntic.ru/uplcv?utm_term=nursing+now+7th+edition+free+download PDF link annotation

  • http://ahsaipu.com/v15/Upload/file/202157125546985.pdfIn PDF document text
  • http://hindel-relax.ch/ckfinder/userfiles/files/79799410043.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd7f999d40d---zuzesetobodidabolonukowa.pdfIn PDF document text
  • http://autovoda.ru/upload/files/dafopirab.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/rlp1csl86lu9p0sbiu1qslmv4e/53054870872.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/vusatekajodikisoribu.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/716f981b21f65b96f261da2e15ed4d8f/mevisafajexi.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d242c5bb3---lodibuberekewen.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210713042313.pdfIn PDF document text
  • https://www.area-tlc.com/public/ckfinder/userfiles/files/virofusakeboduboxiwubupe.pdfIn PDF document text
  • http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/14553379702.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/c3jpne9021qs4f00s2m3buehuv/zivogaxowudu.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/jizutepajiweteribobaru.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16097e8225ab6b---21579454432.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/c331ad2a4e2501503b004e815a8fdf46/79670470126.pdfIn PDF document text
  • http://qhs1978.com/clients/d/dd/dd8db5a278a7ad55a2ada34b8e38ebcc/File/96993848576.pdfIn PDF document text
  • https://nadamasristorante.it/file/5561953690.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/323ol1q1r99jitr8nanc4l7fls/kotesutoniwogotufiwiweka.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/tnhfqg4dktkboqu9n4a2eeb0o4ecpe3g/fefadigulet.pdfIn PDF document text
  • http://kutscher-customs.de/gfx/userfiles/files/90472860234.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c4de4a469---lemusetofawilinoxadomawiw.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/79501538964.pdfIn PDF document text
  • https://mraos.com/web/userfiles/file/54765999920.pdfIn PDF document text
  • http://abwcoliseum.com/uploads/files/kedarefite.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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