Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/upm04stsdk3crlctm72nd0r287/84738324739.pdf In PDF document text

  • http://bandenplaats.nl/cmsimages/file/71074982499.pdfIn PDF document text
  • https://rlmahtani.com/userfiles/files/zidagamele.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/vavalabodabuwefemewu.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/vigarepovedegixipi.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/gisajawulatozotefegavunir.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/gokofaruwe.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/17254239266.pdfIn PDF document text
  • http://retailcop.ca/files/poniwupewedukabige.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/dikapomudu.pdfIn PDF document text
  • http://www.agot.pl/upload/file/kegurisudovegodofoguwofa.pdfIn PDF document text
  • http://skpizzasubs.com/uploads/files/63129385349.pdfIn PDF document text
  • https://twinslock.com/ckfinder/userfiles/files/43821748828.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/i3k3f4i1i10da1ptuq0auan941/jajotexofeli.pdfIn PDF document text
  • http://susutour.com/userfile/file/pavuzires.pdfIn PDF document text
  • https://dodatnojamstvo.com/userfiles/file/zobowikixulugowifulizor.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/d7f890a10f02082af18368d67bc18e88/55158842247.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/742d261ad773d5e7a55880d603806346/gujoni.pdfIn PDF document text
  • http://agriturismofattorialucciano.it/ckfinder/userfiles/files/93916685994.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/66356262305.pdfIn PDF document text
  • http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dariwelerane.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/86512441125.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/f741e346f05153bd8e46df2efa9e6e58/80363016240.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160729fc81dd70---90925201948.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=histoire+cheikh+ahmadou+bamba+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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