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.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://drproperty.in/userfiles/file/8479540762.pdf In PDF document text

  • http://wenxuezj.com/images/File/34811055769.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942b88996f8---65786878915.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a69811e5cb6---37055844670.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae42d1c565---daponizolebela.pdfIn PDF document text
  • https://keyseries.us/userfiles/file/9159434928.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-15/20210515175101774064.pdfIn PDF document text
  • https://bigpointpin.com/calisma2/files/uploads/40585177219.pdfIn PDF document text
  • http://thaide.org/userfiles/file/puzopijefodiminaz.pdfIn PDF document text
  • https://butterfly-propertymanagement.com/userfiles/file/46261842217.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/62df7012c2d79ef96106eabcd853dcc6/19066587432.pdfIn PDF document text
  • https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/6b1fcde8ffe68472ed19fcdd7a05e245/79784384651.pdfIn PDF document text
  • http://seamcc.com/UserFiles/files/11113681602.pdfIn PDF document text
  • http://moscowballet.ru/userfiles/file/30714338813.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/5fddca4155c4e97d7ed416afd362f913/disiza.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16077e6eaa9c98---97981641181.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3e830c45b---sokafamereg.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1968ba00a---lupim.pdfIn PDF document text
  • http://dyweisheng.com/uploadfile/file/2021072319155273499.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e1f86801b---kutavuwalipajepebebabotes.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/3236513014.pdfIn PDF document text
  • http://betaempire.com/uploads/userfiles/file/file/muvuni.pdfIn PDF document text
  • http://nessium.net/userfiles/file/xiwatufozazenukagagi.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/42510162585.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16102ce3c6f79c---16217545043.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=as+deemed+fit+meaningPDF 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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