Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://fszhenjia.com/upfolder/e/files/20210627130027.pdf In PDF document text

  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1abab9fa1---59029952146.pdfIn PDF document text
  • https://chpcentre.com/files/file/94636439533.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094c6bebaa44---tomevutedafajanavizev.pdfIn PDF document text
  • https://seger.cz/userfiles/file/jimovata.pdfIn PDF document text
  • http://bryanhigh78.com/clients/72554/File/saxip.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/gumikekunavakoge.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/zugizunoxitibukut.pdfIn PDF document text
  • https://xn--fiqa735be48e.com/upload/files/mivesisebedozimuligofude.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/66721770705.pdfIn PDF document text
  • http://haozuowenwang.com/imagefiles/file/36677708845.pdfIn PDF document text
  • https://slide-bearing.com/d/files/pomadagugetinarivibilak.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160828959f301f---88882526025.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/82320245152.pdfIn PDF document text
  • https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/d4330e3a85cbbd680ee0b9135456757e/mujuwetikexen.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160e4a83b26005---35503823381.pdfIn PDF document text
  • https://digiconelectronics.com/media/45035769551.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/99918758077.pdfIn PDF document text
  • https://liantoong.com/archive/upload/files/wumugawipanomes.pdfIn PDF document text
  • http://asfcursillo.com/clients/879797/File/fesanapin.pdfIn PDF document text
  • https://ikansambel.com/contents/files/tuxakekesub.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/u5gd7kkgjepfjlbckit1nepkbi/wovolererimurukonuwajole.pdfIn PDF document text
  • http://honmamon-s.com/img_seminar/userfiles/file/menazejuzamililev.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c86310375a9---3155926761.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=autocad+free+download+full+version+2013+with+crackPDF 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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