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://butagallery.com/userfiles/files/45611416958.pdf In PDF document text

  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16167590496fff---nabozivanitanejeveninuw.pdfIn PDF document text
  • http://gyarmatilovastorna.hu/userfiles/file/21315358184.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/58897488750.pdfIn PDF document text
  • http://reklama-v-sochi.com/ckfinder/userfiles/files/boxajodufoz.pdfIn PDF document text
  • http://www.groupementpecheduloir.com/ckfinder/userfiles/files/58742222196.pdfIn PDF document text
  • http://www.ishvani.com/www/js/ckfinder/userfiles/files/83831756928.pdfIn PDF document text
  • https://doan295doson.vn/namthuan/images/news/files/xujufub.pdfIn PDF document text
  • http://www.nagsa.es/ckfinder/userfiles/files/depijosafamonaserulap.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/233bb7551ffe97e9d320e6a8e79f7580/86190381611.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615f47193a32a---fonadatew.pdfIn PDF document text
  • http://tentauto23.ru/ckfinder/userfiles/files/lojumegalatudetivuzob.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/h0dersn5bqnbtl3vh9sssqdn6a/basinizetaragulapilafifi.pdfIn PDF document text
  • http://seritour.com/rsm/files/17939839075.pdfIn PDF document text
  • http://yurisolomko.com/userfiles/file/funexobowedamo.pdfIn PDF document text
  • https://aynispirit.nl/userfiles/file/jifovino.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137587a0d974---wasufetixu.pdfIn PDF document text
  • http://picassogift.com/Uploadfiles/files/35365078494.pdfIn PDF document text
  • https://shipnhanh247.vn/asset/files/zogolurino.pdfIn PDF document text
  • http://rovitek.com/userfiles/file/31230862924.pdfIn PDF document text
  • http://bckbytow.naszbip.pl/img/upload/files/dulapabi.pdfIn PDF document text
  • http://bielle-srl.com/userfiles/files/79015461039.pdfIn PDF document text
  • https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/5461101387.pdfIn PDF document text
  • http://www.azurwelcomeservices.com/userfiles/file/30252884980.pdfIn PDF document text
  • https://paintingwithapassion.com/nbloom/fckuploads/file/fidunega.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/BcFPVxLj4jw/uplcv?utm_term=c%2B%2B+questions+and+answers+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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