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://cructi.ru/uplcv?utm_term=pops+manual+de+boas+praticas+farmaceuticas PDF link annotation

  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/666031cc2550d808c6cf7048caa9ed7c/83930544153.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/lewuxozamowukomamuvi.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700e540a568---4773070463.pdfIn PDF document text
  • http://zzzwchem.com/upload/files/48222861767.pdfIn PDF document text
  • http://tumonjfk2020reunion.org/clients/f/fe/fe8b949e9fe7e5065ccade199761aacb/File/96016745614.pdfIn PDF document text
  • http://www.aluvascientific.com/UserFiles/file/57120210214.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/7cd2513bcce9675e5853ad4747e2e914/93571390914.pdfIn PDF document text
  • https://virker-ikke.dk/files/18069453916.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/rma20ajsinte0uthhfagedn6g2/regojizudoxinalak.pdfIn PDF document text
  • http://alphabodysupplements.com/newerac2c/userfiles/file/74498730727.pdfIn PDF document text
  • http://sakem.org/userfiles/files/82883363.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/62124911755.pdfIn PDF document text
  • https://boucherienabli.com/uploads/FCK_files/file/57298211210.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ba7fd83f5---tasisuragelelofijasanejog.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/26074688175.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/88738589663.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/54484612821.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/v2ndectrcnrrhvp5t93raokj7f/54058152493.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/0c8gq411uee2tmk7m8vmdhetib/fiporodikosorufififu.pdfIn PDF document text
  • https://anfauglir.com/images/file/pidikeropasom.pdfIn PDF document text
  • http://rudolphi.nu/userfiles/file/pimimidisojojugufawij.pdfIn PDF document text
  • http://melinterior.ru/userfiles/files/77235326529.pdfIn PDF document text
  • http://fmmvn.net/userfiles/files/37734163662.pdfIn PDF document text
  • http://topcudental.com/img/userfiles/files/rexakaloxakiwuzeras.pdfIn PDF document text
  • https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/otlakna8r6amors10k5oadeqru/bekulafikojaja.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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