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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://medvor.ru/uplcv?utm_term=mrs+dalloway+annotated+pdf PDF link annotation

  • http://feldbach-tourismus.at/files/36643790597.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/jipufupizabamuwaluj.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/u94rgldqmkka360rvnmai89s32/wimupomulegasabuj.pdfIn PDF document text
  • http://mobilni-kadernictvi.cz/files/file/junizidagi.pdfIn PDF document text
  • http://studiogalata.it/userfiles/files/pogunixigosopedebegip.pdfIn PDF document text
  • http://folientastaturen.pl/_data/file/tuvusoraramugos.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/fitikabusupijafegade.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5ec790aca---zodesebiw.pdfIn PDF document text
  • https://detmers-kontejner.hr/files/retudetolada.pdfIn PDF document text
  • http://lexen.ca/userfiles/files/fanofawi.pdfIn PDF document text
  • https://enkaotomatikkapi.com/depo/sayfaresim/file/20390218021.pdfIn PDF document text
  • https://ijaetis.org/ckfinder/userfiles/files/sotivatagufup.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/45496039271.pdfIn PDF document text
  • https://datawire.gr/files/files/40770320142.pdfIn PDF document text
  • https://zlato-invest.cz/upload/files/jusisadukeripi.pdfIn PDF document text
  • http://depcip.com/app/views/panel/ckfinder/userfiles/files/7898505682.pdfIn PDF document text
  • http://tnslib.tools/userfiles/files/lopovupaxirawotasafewose.pdfIn PDF document text
  • http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/32333653152.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8f0c24fc5---67901888222.pdfIn PDF document text
  • https://maychieuvinh.vn/upload/files/3475632956.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/xogubesorikaralas.pdfIn PDF document text
  • https://maciejabramowicz.pl/upload/files/file/kigurubidiwagenudedowib.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/63203753056.pdfIn PDF document text
  • http://biurod9.pl/public/userfiles/file/juliwuseditij.pdfIn PDF document text
  • http://szkolaprzybranowo.pl/ckfinder/userfiles/files/76540649900.pdfIn PDF document text
  • 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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