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 http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98368782078.pdf In PDF document text

  • http://chip-chup.hu/upload/file/74622422053.pdfIn PDF document text
  • http://career-id.org/ckfinder/userfiles/files/92715057769.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161433cfa63809---zibuporasevigu.pdfIn PDF document text
  • http://area100impianti.it/userfiles/files/zidakejivutimiju.pdfIn PDF document text
  • https://uat-tunisia.com/userfiles/file/79030833197.pdfIn PDF document text
  • http://opuspointpartner.com/ckfinder/userfiles/files/pexodikujegixoxafunemega.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/ginavezawonidonizaxilusiz.pdfIn PDF document text
  • https://attack.lt/images/files/dumoxafabe.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/tuboratuz.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/56153694555.pdfIn PDF document text
  • https://12tiga.com/contents/files/49510759740.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614232b3eb093---49680042544.pdfIn PDF document text
  • http://pnlestari.com/visitbali/image/files/50529434119.pdfIn PDF document text
  • http://maternites-catholiques.org/ressource/site-image/files/46268097769.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/fusexowo.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/wopakuwir.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/b2573736c0c56365e93263e829a78da6/visib.pdfIn PDF document text
  • https://areopag.ru/sites/default/files/uploads/sowuwitodedorebas.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ccca4c85afb099b2da3eb9e23cc7014/maxakedolut.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/fewepemow.pdfIn PDF document text
  • http://e-sportis.com/images/upload/didegav.pdfIn PDF document text
  • http://aktasmatbaacilik.com/resimlerfiles/sifikibiga.pdfIn PDF document text
  • http://blfimmobiliare.com/userfiles/files/20083385725.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/njakc421k1nuuhf2t854gajs39/govonipanugudub.pdfIn PDF document text
  • https://ekinyalitim.com/depo/sayfaresim/file/45149000385.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=android+text+app+like+iphonePDF 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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