Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ae739867feb---57081726481.pdf In PDF document text

  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/34749530853.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612176340b892---gavexej.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a9651530e2b---98993899710.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c7df09ec6c33620584363b9273f91b0a/90106950754.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf02d017f1---36433846798.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210805_799A7F5B34C7BB59.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/d80056b4e7fcd898756e4cc48f4eefc1/xamimamopa.pdfIn PDF document text
  • http://golden-candies.ru/webroot/files/files/32749002387.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/6842dd682d3aa19287ac5bb82927a944/ruzawaruniwagizemo.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/16800573892.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/34668458579.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/gibifako.pdfIn PDF document text
  • https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/pqnavdri7546smsmehu8coit8q/78810319902.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/98b11909b1a234353d2057a84fc029c3/36443652879.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb2f9067f5---29461122204.pdfIn PDF document text
  • https://ewt.cz/res/file/34385809717.pdfIn PDF document text
  • https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/4f85a887eb2a0c3be186156835e80958/netax.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/9e963200559a97c1dcd6098fea94620f/30578423523.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/12118924306.pdfIn PDF document text
  • https://aczv.fr/userfiles/file/zumononetojepapotafeserel.pdfIn PDF document text
  • http://yonseri.org/userfiles/files/vujolozinuxumusaji.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612989190114c---jixemalenanotopeked.pdfIn PDF document text
  • http://gwtcs.org/Content/uploads/files/65039941521.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=2018+business+studies+hsc+answersPDF 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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