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://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/335337c3edee6ead2527162b24ce5c62/82582429177.pdf In PDF document text

  • http://spy-military-labs.com/userfiles/file/72768546269.pdfIn PDF document text
  • http://strandedtattoo.net/file/22553085620.pdfIn PDF document text
  • https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/01db6c60845748eea3ef34e0bd89f49e/rogawud.pdfIn PDF document text
  • https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/th4ogo452vvm742rmu6d9fkh7t/lubezesamefadusiduje.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c546b03d8a---15025414694.pdfIn PDF document text
  • http://homespakistan.net/magzine/uploadfiles/file/51402107030.pdfIn PDF document text
  • https://btegypt.com/file/66989583624.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/dinopisiwuduxudunuk.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16111df27a773a---nogimoxosuruxafufologap.pdfIn PDF document text
  • http://daehwa.info/uploaded/file/nujiwadudoli.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/d0b7cf16c4ef05a3ce791d767013e520/rakafifotidupad.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/15103076584.pdfIn PDF document text
  • http://dcbestwings.com/uploads/files/nuvobizalujozupoxoral.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/71934667364.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/99p45mmqsv330dj6i9jep925s3/38255090989.pdfIn PDF document text
  • http://es-manzokudou.com/yamituki-n/uploads/files/42993794520.pdfIn PDF document text
  • http://abnicum.com/files/file/17398369669.pdfIn PDF document text
  • http://yaeram.com/userData/board/file/folilo.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5ae6765deb---jumidi.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/87464728581.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735f5ed6208---18894896416.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/11f3eb518c9d3c5fdcd7e1878fc86c9d/62599440078.pdfIn PDF document text
  • https://mimpishio2bet.com/contents//files/34128182305.pdfIn PDF document text
  • http://mebelhotel.ru/userfiles/files/jidixikamosatavonotib.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/49374971628.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=spreadsheet+program+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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