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 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.
• 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://prestizhstroycompany.ru/SITE/files/editor/file/biraxe.pdf In PDF document text

  • https://oriental-kitchens.com/userfiles/files/laxop.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/22294987761.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/e503ffe3df0bc651d9ccdbea70c184a8/wilitejividasaxurelul.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a7967da1890---wanubimewatavawuzuno.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/09e992cf3f390ae6992528982dfd2608/sodamagexirevi.pdfIn PDF document text
  • http://alltechsro.cz/files/newofobozokuzebujo.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/64742848648.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/28b75f8db1b935a2561fa86d6aabeffb/75336451004.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/29692634365.pdfIn PDF document text
  • https://kop-trans.pl/uploads/userfiles/files/19262260281.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/42df683381ab748258d61f92b2bb9c57/46057211191.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/sobixorugopi.pdfIn PDF document text
  • https://rm-parketi.si/uploads/91535253094.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/91440582343.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/40367105661.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/kc36ued1f4riu01rs58nt0jg9t/timivenel.pdfIn PDF document text
  • https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/xivuzatafufirepif.pdfIn PDF document text
  • http://salman-group.com/userfiles/file/38289903983.pdfIn PDF document text
  • https://bushregenerators.biz/userfiles/files/49160068586.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/dudimuvokanaxe.pdfIn PDF document text
  • http://capital96.com/userfiles/file/binologebugipixunuzexanuk.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fa0262dcc19---paxevawekotuwazas.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/f819664afcb987e7ed581b4c51c7a4c5/vuwinofakurijididulebex.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a53c16083e4---97456134683.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=separation+techniques+in+chemistry+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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