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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://blevy.com/ckfinder/userfiles/files/27342767572.pdf In PDF document text

  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/4f9096cb6b2277f8644826fc7e020d07/82672208352.pdfIn PDF document text
  • https://ilcaminodaugo.it/file/68596823285.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/onrd8oj2ivp5pujmqqu50nomp0/14255151903.pdfIn PDF document text
  • http://titusrelay.com/clients/e/ef/ef304ccc03541e9e6382bef5f13b0a7d/File/79502325000.pdfIn PDF document text
  • http://ncabhsa.com/clients/875427/File/30369628396.pdfIn PDF document text
  • https://grup-insaat.com/userfiles/file/nemovasoz.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/gp3oqp7r5b89oh4pv90009mboo/13543439534.pdfIn PDF document text
  • https://gikguamerica.com/userfiles/file/44716584920.pdfIn PDF document text
  • http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/godakawi.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/78842805590.pdfIn PDF document text
  • https://banderlogclub.ru/Files/file/40598880297.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/cda89f6cda9e5cd86cc3b45b77d2abcd/95442608348.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/fb68816a40e70fb44f9811edc960f61b/laparabiparavofusenej.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/renixeli.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/92198573701.pdfIn PDF document text
  • http://shreyaghoshal.com/konadnew/userfiles/file/voxuboginopubol.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/5558f33d7afba7baf650c947ab3a5a8e/57000335607.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7e78af494---64000921562.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/lowivipamiguvom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=if+i+delete+my+instagram+account+will+my+messages+be+deletedPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/32242768397.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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