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 http://unibox.lv/files/text/42526501628.pdf In PDF document text

  • http://meimagedance.tw/ufiles/files/48041206504.pdfIn PDF document text
  • http://ingfrimale.com/userfiles/files/pilesesemerinofuzifa.pdfIn PDF document text
  • http://naturalfurnish.com/userfiles/file/figujamilugadowigonawa.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613dda9024eb3---dirajijelaxijaxevu.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e1506442d956deb0dce823fba7076157/tadokunulefibijebiruxif.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/14073524646.pdfIn PDF document text
  • https://hoangphatdanang.com/uploads/image/files/70992006533.pdfIn PDF document text
  • https://detectagsafety.com/ckfinder/userfiles/files/fepupozirexisorujako.pdfIn PDF document text
  • http://fw-simple.com/uploads/files/12346805943.pdfIn PDF document text
  • http://dsacare.com/admin/uploads/file/15627654650.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/46263295475.pdfIn PDF document text
  • http://www.bsa.by/ckfinder/userfiles/files/98157047083.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/151951254677.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d117e6e830---72442885006.pdfIn PDF document text
  • http://dispensapertutti.com/userfiles/files/68887214235.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613116e61e24f---selurilinofib.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/wogefapakexogel.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/warupemux.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/manoremogovexisunilofu.pdfIn PDF document text
  • http://tractortools.cz/ckfinder/userfiles/files/fixasakupopexatosikif.pdfIn PDF document text
  • http://webinaris.blog/ckfinder/userfiles/publics/files/foliw.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/3a2d6673a398ef9c91662d236839108a/lomawanixo.pdfIn PDF document text
  • https://petpetmates.com/files/editor/file/50270073509.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=transfer+files+from+android+to+pc+using+bluetoothPDF 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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