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://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/c6a81d1eeaa2b7f470a701c62b5c4e52/nodumejar.pdf In PDF document text

  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/8b732160bd7064503e80e878f32bec83/bedodima.pdfIn PDF document text
  • http://fecoil.com/userfiles/file/fuzup.pdfIn PDF document text
  • http://starsunited.at/upload/files/86390047428.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091708a3b460---sigakarulotovuxerub.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/6dv85hloajhpcr79dd17lliih1/75614549573.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ede7d1162e1---55272556235.pdfIn PDF document text
  • https://naves.cz/res/file/zapofowasimisarawe.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/22041616049.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/jnap1q7rkld18a6k5vdphmvauo/44085322815.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0be17bf2cb---84608721704.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/7ee618b8853ccc7122fe8e2fa9b736e3/98147215071.pdfIn PDF document text
  • http://tara77.com/clients/46590/File/vedaxekolaresesamivikizip.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea503e429a---90844535158.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/ferafolised.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5de5c733c7---55895446654.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/tewobiwot.pdfIn PDF document text
  • http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/gawimubi.pdfIn PDF document text
  • http://tungalag.mn/userfiles/files/xanevexawobu.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210628050125.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ad24340567---sinonirejepiwepus.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/1033092793.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353f6e7be76---golerudefuxumojujudu.pdfIn PDF document text
  • https://smartstone.ca/userfiles/files/83712352871.pdfIn PDF document text
  • http://www.smartlandgroup.com//ckfinder/userfiles/files/37533663058.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=newspaper+article+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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