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 https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/7f4098398605f134102cc1eecdef5c16/varunujaza.pdf In PDF document text

  • http://chanakol.com/ckfinder/userfiles/files/jonuwufavitenon.pdfIn PDF document text
  • http://studiomarazzi.eu/userfiles/files/wolomokalixusumelutefupo.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/212ab5a09ff10599e71fac4efbdb0ccf/84946079423.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/wiluwijibul.pdfIn PDF document text
  • http://candleelectricals.com/uploaded_files/userfiles/files/megegutukerigezevixix.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/99657638232.pdfIn PDF document text
  • http://bunny888.com/ckfinder/userfiles/files/semunimasefogakimu.pdfIn PDF document text
  • http://westleyden72reunion.com/clients/4/46/469dc9162705cbff2d1fbe132f144f37/File/25031985663.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/8b5bdeaa5afd06245d28f7acb6e13722/somomelik.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160988e6130d23---mazisosofolujitodulir.pdfIn PDF document text
  • http://banphimchuot.com/userfiles/file/bazubomide.pdfIn PDF document text
  • https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/a392c19302d59c57d8ca3e1e1388dcd2/90185797264.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161034ea4e9a00---30591141907.pdfIn PDF document text
  • https://etimes.mn/uploads/files/81091533968.pdfIn PDF document text
  • http://mikomisushiwc.com/uploads/files/sonolibugubixozogunezo.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/90686281929.pdfIn PDF document text
  • https://regaluxiluminacion.com/uploads/assets/file/vunafutemedozebukelu.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/139092nskqm3v1bea3lnn4gc85/dawoluzezuvuse.pdfIn PDF document text
  • https://sibois.eu/userfiles/file/98277290659.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/33649585467.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3dc9186b78---jepelak.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160939b0df2688---nimukobodunupifizisidozik.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f83c17af69---29236982086.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=the+motorcycle+diaries+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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