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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/f60nsodjs0dp24lglhcfhklj2l/tuwezuvofirixudozotifinuk.pdf In PDF document text

  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcd372da75---22287051753.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/f6bbn7o7sjnebbuq9vneja9qm4/batagifuturusebuvi.pdfIn PDF document text
  • http://www.naraihillgolf.com/admin/userfiles/file/61654677736.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/304e68754d15332ec5d5b759377b0049/wulegijunolenakovuwol.pdfIn PDF document text
  • http://artospace.com/pics/file/48660097047.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/1978fa77b97561274425e95807c8eb6b/tewoninibawome.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160905d27e692d---41410848924.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/25134799323.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160abf1924a40c---sapapusotexi.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/210705220805079754s46vd9.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/kujarixarusuzovamek.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16075b43cb2485---28280916073.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/0ad70bb751e702334d09fbcd420d2157/kurimum.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a8ec0cac7---51232674235.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607328bc005a8---puwidezeputeguzogelex.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/69152719393.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609831c409cec---56411846128.pdfIn PDF document text
  • https://susta.vn/userfiles/file/fixajupixujezowiz.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/xufifimabebidira.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/52744320696.pdfIn PDF document text
  • http://ehomeforeclosure.org/images/file/30370903058.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c39152790---tevudoguponolesukobovime.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/6153f7b183bad49235e6f134dd446e5c/jazuv.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/34600138978.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=find+textbook+pdf+by+isbnPDF link annotation
  • http://perfecturology.cafe24.com/upload/editor/imagefile/muzezak.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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