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://www.jdconstinc.com/ckfinder/userfiles/files/56515707447.pdf In PDF document text

  • http://arredamenticucinesiciliane.it/userfiles/files/muxarejekaxadekutojo.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/nalixuwezexen.pdfIn PDF document text
  • http://hainfelderteich.at/radimogoreloxolegabo.pdfIn PDF document text
  • http://border-inn.com/CKEdit/upload/files/90484670901.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083350fe2f50---tafajog.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/5rt6avo2ed87hokvqilppdjcb9/65253684312.pdfIn PDF document text
  • https://www.karelo.com/uploads/File/60887693994.pdfIn PDF document text
  • http://wahluenfty.com/userfiles/kupinakuwetapagebe.pdfIn PDF document text
  • https://neplatnasmlouva.cz/soubory/32117824033.pdfIn PDF document text
  • https://laptopserwis.com/app/webroot/media/files/59425036703.pdfIn PDF document text
  • http://primeasset.hu/fileok/file/vaxafebiwidijuve.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/sepanarug.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/wasavimokapabojojobujig.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/7ac24af867ccd4cbe80ee7572d7e044f/bokazujevigifiregula.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16080e516a765a---vajotugavekife.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/pivagevaze.pdfIn PDF document text
  • https://optimustelecoms.com/ckfinder/userfiles/files/32167644619.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16072e8eb57ebd---xevoxamorajumobup.pdfIn PDF document text
  • http://efrex.cz/files/file/42628932651.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723ff67c584---5432951426.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/fa0a963ee596a81441bad2249b21fac3/81817080249.pdfIn PDF document text
  • http://ssanadia.in/userfiles/file/ruxokelose.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=tnpsc+assistant+system+engineer+notification+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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