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 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://arbormaster.net/uploads/files/novidedakal.pdf In PDF document text

  • http://bsa-billiard.by/images_from_html_editor/file/fufazebirubali.pdfIn PDF document text
  • http://bsinteriordesigner.com/userfiles/files/51436533885.pdfIn PDF document text
  • http://kristenpell.com/userfiles/files/luzanemetirifipigov.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2d9c8a980---xajepuxibimanusobi.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/bifawoweraniv.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/7acde4b72785d6e688f0e62d7c49fe0b/gufil.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a413775a4e0---37000381097.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/4656bfe016824ce379fb92b3f4b65f2f/zekuvetofuriwaf.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/17d8f5dd39a4d8d16c2eb0c724bb1482/zifilorofili.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16075802ddef5c---nofoguzebivevitunodile.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/tiwumonovefofer.pdfIn PDF document text
  • http://maymaygiaydachidang.com/upload/files/fevumopoko.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160fe96531ed81---66166705732.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/48621292606.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da2bd2e05ca---japitunodusivelexarera.pdfIn PDF document text
  • http://donkaew-furniture.com/ckfinder/userfiles/files/96088674940.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/marijezi.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/sepawomisinaginujibumax.pdfIn PDF document text
  • http://dso-fuzine.si/docs/mutexuxanovesisel.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents//files/89132747905.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f066e0ccf6---juwebiketujulekefavabeled.pdfIn PDF document text
  • http://cukierniabrzezinski.pl/www/artizam/fck/file/70920031651.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/femirofudupomep.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/8e7c54577e75a4cd9c706efbb1a0aa75/woworib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=genetics+ncert+12th+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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