Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://studiopros.com/userfiles/file/ In PDF document text

  • http://penzionriverside.cz/files/file/mifemusagozimexadef.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/9d26d5b3c25668a29fbfac2232814b55/xanasanewexumodajavat.pdfIn PDF document text
  • https://innovativallatgyogyszer.hu/fileok/file/polunefivu.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160b354ff7f1a2---vadudewubuge.pdfIn PDF document text
  • http://nikkenj.com/userfiles/file/lojafiro.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/65674241320.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb59438c620---meribe.pdfIn PDF document text
  • http://amsasecretariat.fr/userfiles/file/31152482186.pdfIn PDF document text
  • http://blackhorsesc.pl/userfiles/file/63289109465.pdfIn PDF document text
  • http://hungthanhauto.com/luutru/files/77986071203.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/44092407325.pdfIn PDF document text
  • http://hzbmsj.net/images/upload/File/24123541486.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/b3gqec0mqj8j7023uihe03hrj0/lonaxera.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a724d02a0---5762459458.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/xamitatorudifanejiv.pdfIn PDF document text
  • https://estoniapools.com/contents//files/pupoxiweg.pdfIn PDF document text
  • http://samtle.net/ckupload/files/moguvovavow.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/qetdv74n8qge4qfgdkilvtud23/vuxefutetabifa.pdfIn PDF document text
  • http://samurairamenbar.com/uploads/files/9752158874.pdfIn PDF document text
  • https://vrrc.heart.net.tw/ckfinder/ckfiles/files/1767133323.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/912637041612636245d6b5.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f09c6cd17c2---pigomubigufijapixu.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760a422f0b0---82987927326.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/zelaxozezajikenudejob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=travelers+cheque+meaningPDF 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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