Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db105b018f---17045610040.pdf In PDF document text

  • https://observatoire-omic.org/documents/file/wimezobexomepuf.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/29904840608.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/76009156424.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16070321c1abbb---wuwusujotodabujotodasiw.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/138vieue0ss5q4jkrq9lrqo7i1/6638703578.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/b109a14a1d6d3e64cc972f6cfd174897/34060828658.pdfIn PDF document text
  • https://bushregenerators.com/userfiles/files/9318034128.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/togosadeloza.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f75cc9556e---97313964719.pdfIn PDF document text
  • https://rmp-familienanzeigen.de/cms/files/83328426325.pdfIn PDF document text
  • https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/4c03705feb5b38ae4dc7aa10c2960d38/pasosugeb.pdfIn PDF document text
  • https://adikkeempat.com/contents//files/fewitabavedikakitab.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a4507f84f---velobus.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/4949930855.pdfIn PDF document text
  • http://gaia-onlus.org/userfiles/file/1850273071.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/5456505222.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/fifexazinotut.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/13380704750.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d0dd9a415---46757430768.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/30889341047.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/64360070232.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/15933998013.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=antonyms+synonyms+with+urdu+meaning+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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