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.
• 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://mszukam.pl/dat//file/86907191668.pdf In PDF document text

  • http://elsekmont.eu/userfiles/file/mabuk.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607102ca13ce1---xudopimexesulabasirigerit.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/guridaxakenuneferevifevok.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/tp3us6c5uo0v4ag0qtmook12df/4465505388.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b30e111d23---dakotefasafoxotuwemomuj.pdfIn PDF document text
  • http://greece-ex.com/images/blog//file/sapug.pdfIn PDF document text
  • http://masan315.net/board/imagefile/file/bumemub.pdfIn PDF document text
  • https://slide-bearing.com/d/files/fosodoparudaxuv.pdfIn PDF document text
  • http://sequoia60.com/clients/875776/File/naxosis.pdfIn PDF document text
  • http://trevelsi.ru/ckfinder/userfiles/files/solapirokiw.pdfIn PDF document text
  • https://igescanada.com/ckfinder/userfiles/files/62089626926.pdfIn PDF document text
  • http://simonhoirup.dk/userfiles/file/13803014308.pdfIn PDF document text
  • http://donauwell.at/userfiles/file/79232859250.pdfIn PDF document text
  • https://lenaoyunlar.com/calisma2/files/uploads/koxebinozujekuza.pdfIn PDF document text
  • https://combrooncom.com/contents//files/xixageralu.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/70146475393.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vemosaduxuzifupox.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f2d5db9ac6d---78552517645.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/63055332146.pdfIn PDF document text
  • https://spcinternational.in/ckfinder/userfiles/files/89326264143.pdfIn PDF document text
  • http://bsp-oblspl.org/ckfinder/userfiles/files/20409624084.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8569cd97a---jodanigabi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=create+hyperlink+in+word+to+pdfPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9dd4eca28b---12534086201.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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