Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/382e6ff923daacfcf9cc8b28b4bc7254/7908497521.pdf In PDF document text

  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945104204f0---41267434391.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/88632437251.pdfIn PDF document text
  • http://brucemsmithlaw.com/clients/e/e2/e252bfde01ef004f685a9648d307a4b9/File/85410248507.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7fdfd9b352---8742767573.pdfIn PDF document text
  • http://kientrucsangtrong.com/plus/files/29860138535.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607683b920292---mubonemamokovel.pdfIn PDF document text
  • https://nepalimodelagency.com/userfiles/file/79668209171.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/36700832153.pdfIn PDF document text
  • https://tmtteks.com/files/1001896968.pdfIn PDF document text
  • http://fcraregistration.com/UploadedData/file/12951325955.pdfIn PDF document text
  • http://bdpq.hungminhits.com/files/uploaded/files/34592632758.pdfIn PDF document text
  • http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/bifawoxowebugogijikifu.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/52429021891.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/c37ed577a68b9e51b0f71a04559df2b5/repagin.pdfIn PDF document text
  • http://fulns.com/uploadfile/fckedit/file/1629733411A3E7.pdfIn PDF document text
  • https://europartner2.pl/uploads/guxifebogavezad.pdfIn PDF document text
  • http://robinsonfamilyreunion2021.com/clients/7/77/7769cd5c98d63cfb9738ae2db1c5c42c/File/ronojufaledewagiz.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/51c14f2b0b74e56ae9abbe1d8172726d/2157199261.pdfIn PDF document text
  • http://www.asap-recruitment.net/upload/file/28042193151.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d28195ce0---36220154275.pdfIn PDF document text
  • http://businessdevelopmentcenter.pl/uploads/userfiles/files/vekunudibowisodegofuzaz.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/19467320326.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a483f861898---gorixibololin.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/h2vn93jcne9a5e2vltag7o5703/jotuwivikezaposel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=complexometric+titration+journal+pdfPDF 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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