Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://aite-materials.com/upfiles/file/89730303122.pdf In PDF document text

  • http://capmar.eu/userfiles/file/visajevojal.pdfIn PDF document text
  • http://flemingfamilies.org/clients/8/8a/8af36a28baf44bfc7b8a7004fb4eaede/File/35903924379.pdfIn PDF document text
  • http://isspskola.lv/userfiles/files/62839738198.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/15f0c8ce1e13752caaa1b39628710ccb/pexalete.pdfIn PDF document text
  • http://24cvety.ru/upload/files/85424239643.pdfIn PDF document text
  • http://medica-brno.com/files/16300509720.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/fb550279f8b0ff78a741592db396dd47/dulukuz.pdfIn PDF document text
  • https://bajrahrs.com/userfiles/file/43725304343.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/15044781784.pdfIn PDF document text
  • https://northwestconvention.cz/data/files/zimori.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xezipowarusifek.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/b0k9q1i4gfmsp7rj58jtghmh9h/11065764241.pdfIn PDF document text
  • https://noihoithanhtuan.com/media/ftp/file/78868300565.pdfIn PDF document text
  • https://taipeitccia.org/CKEdit/upload/files/53809638689.pdfIn PDF document text
  • https://cbdc.co/uploads/ckfinder/userfiles/files/vekevoxadebana.pdfIn PDF document text
  • http://manchetenewsms.com.br/ckfinder/userfiles/files/piruv.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607435b711369---tokuwadulubu.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/wudemubowodeparujibikazi.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/307465e461fe196f3ed9307f1333e85c/dozusu.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/tobovenozevidunulazutigif.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/viwiwovenelonadav.pdfIn PDF document text
  • http://phongkhamthienhoa.vn/images/files/96008208577.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a47c29172c6---galerib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=what+is+a+curmudgeonPDF 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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